How do you find f (- 4 on a graph?

Answers

Answer 1

To find f (-4) on a graph, plot the point (-4, f (-4)) on the graph.

B. First, identify the point (-4, 0) on the x-axis. This is the point where the x-coordinate is -4. Then, draw a line perpendicular to the x-axis that passes through the point (-4, 0).

This line represents the function f (x). Use the equation of the line to determine the value of f (-4). For example, if the equation of the line is y = 3x + 7, then the value of f (-4) is -5.

To plot the point (-4, f (-4)) on the graph, simply draw a dot at the intersection of the line and the y-axis, with the y-coordinate being f (-4). This dot represents the point (-4, f (-4)).

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Related Questions

35=0.35 times w answer question

Answers

The value of w is 100

What is linear equation?

A linear equation only has one or two variables. No variable in a linear equation is raised to a power greater than 1 or used as the denominator of a fraction.

Example of linear equations are 5x +2 = 7. This is an example of linear equation with one variable. Example of linear equation with two variables is :

5x+2y = 3 and 7x+6y = 5.

Where x and y are the variables.

Similarly , 35 = 0.35w is an example of linear equation with one variable , here the variable is w. And to find the value if the variable we divide both sides by the coefficient of w.

Therefore, divide both sides by 0.35

35/0.35 = w

w = 100

therefore the value of w = 100

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what is the quotient of (x^3+8) divided by x+2

Answers

The quotient when (x³ + 8) is divided by   (x+2) is (x² - 2x + 4)

What is Polynomials ?

A polynomial is an equation that solely uses the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables. Variables are sometimes known as indeterminates. x² + 4x + 7 is an illustration of a polynomial with a single indeterminate x.

An algebraic expression known as a polynomial requires that all of its exponents be whole numbers. Any polynomial must have variable exponents that are non-negative integers. Although a polynomial contains variables and constants, we are unable to divide a polynomial by a variable.

The degree of a polynomial is the highest or biggest exponent of the variable in the polynomial. Using Descartes' Rule of Signs, the degree is used to calculate the greatest number of polynomial problem solutions.

The polynomials are (x³ + 8) and (x+2)

                         dividing  (x³ + 8) by  (x+2) we get,

                                     x + 2 ) x³ + 8 ( x² - 2x + 4

                                              - x³ - 2x²

                                                    -2x² + 8

                                                     2x² +4x

                                                              4x + 8

                                                             -4x - 8

                                                                  0

The quotient when (x³ + 8) is divided by   (x+2) is (x² - 2x + 4)

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I don’t understand what the question is

Answers

Answer:

just put your mind to it fam

Step-by-step explanation:

Answer:

this is nonsense

Step-by-step explanation:

(4x³ + 23x² + 22x - 10) [tex](x + 2)^{-1}[/tex]

(4x³ + 23x² + 22x - 10) (1 / (x + 2))

(4x³ + 23x² + 22x - 10) / (x + 2)

4x² + 2x³ + 23x + 11.5x² + 22 + 11x - 10/x - 5

2x³ + 15.5x² + 44x - 10/x + 17 ??????

Three cans of soda and two bags of chips cost $5.50. Two cans of the same soda and three bags of chips cost $4.50. What is a reasonable price for the cost of a can of soda?
A. $2.00
B.$1.50
C.$1.00
D.$.75

Answers

Answer:

Step-by-step explanation:

200

Rita finds the quotient of 584 ÷ 12
to be 48 R18. Explain why her answer
is not correct. Then find the correct
answer.

Answers

Answer:

The answer is 48.6667 or 48 2/3

Step-by-step explanation:

What is the factored form of X³ 1?

Answers

The factors of the given polynomial as calculated from the given data is found as , (x−1) and (x 2 +x+1) .

The equation given in the question is , x³ - 1 .

On solving this equation we will get the result as ,

x³  −1

=(x−1)(x 2 +x+1)

Therefore, the factors of the given equation is both (x−1) and (x 2 +x+1) .

A quadratic equation factored form is used to find the roots or solutions of the given equation.  Example , the factored form of x2 +5x+6 = 0, is  x^2 +5 x + 6 = 0 is= 0 (x-2)(x-3) = 0.

When the product of two terms is zero, it signifies that any of them might be zero.

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HEEEEELP PLEAAAASE
ahmed is four years older than Tamir. Together they are 36 years old. How old is Ahmed?

Answers

Answer:

We know that the total age of both kids is 36

we also know that Ahmed is 4 years older than Tamir.

To find the answer we will first divide 36 by 2

36/2 = 18

Now we will subtract 4 from 18 and we get 14

lastly, subtract 14 from 36

36 - 14 is 22

Hence, Ahmed is 22 while Tamir is 14

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♡⸜(˶˃ ᵕ ˂˶)⸝♡

please help please it's urgent ​

Answers

Answer:

X=30

Step-by-step explanation:

The angle of a straight line is 180

You were given 150 and the angle across is X

180-150= X

X = 30

Proof:

4x + 2x must equal 180

Plug in 30

4(30)+2(30) = 120 + 60 = 180

there are 24 psychiatrists and 30 psychologists attending a certain conference. three of these 54 people are randomly chosen to take part in a panel discussion. what is the probability that at least one psychologist is chosen? what is the probability that exactly three psychologists are chosen?

Answers

The probability that at least one psychologist is chosen is 5/9 and the probability that exactly three psychologists are chosen is 16.3.

Total number of Attendants in a certain conference are 54

There are 24 psychiatrists and 30 psychologists

Total number of attendants = 24 + 30= 54.

Therefore total number of cases is 54

1 ) Since there are 30 psychologists, the number of favorable outcomes is 30.

So P ( 30 psychologists) =Number of favorable cases/ Total number of cases

= 30/54

= 5/9.

So probability of at least one psychologist is 5/9.

2 ) If we have to choose 3  psychologist favorable outcomes are

= 30/54 x 29/53 x 28/52

= 1015/6201

= 16.3

The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true. An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.

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Isaac makes china mugs with names painted on them. He charges a fixed fee for the mug, together with a fixed charge for each letter in the name. Penelope buys a mug for each of her children, Alexander and Lucia. She pays $12. 60 for Alexander’s mug and $9. 40 for Lucia’s mug. How much would Penelope have to pay for a mug with her own name on it?

Answers

Penelope would have to pay 11.80 for a mug with her own name on it. the fixed cost would be 5.40 and cost per letter would be 0.80.

Total cost = Fixed cost + (no. of letters*cost per letter)

let us take the fixed cost as x and cost per letter as y

so for alexander,

12.60 = x + 9y (eq 1)

for lucia,

9.40 = x + 5y (eq 2)

equating eq1 and eq 2

12.60 - 9y = 9.40 - 5y

12.60 - 9.40 = - 5y + 9y

4y = 3.20

y = 0.80

x = 9.40 - 5y

= 9.40 - 4 = 5.40

therefore, the cost for penelopes mug will be,

= 5.40 + (8*0.80)

= 5.40 + 6.40 = 11.80

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How do you graph a linear equation in slope intercept form?

Answers

We obtain a straight line when we plot the slope-intercept form equation graph. The ideal form is the slope-intercept. It is simple to graph and solve word problems based on it as it has the form "y=". When we enter the x values, the equation is already solved for y.

The line with m as the slope, m and c as the y-intercept is the graph of the linear equation y = mx + c. The values of m and c are real integers in the slope-intercept form of the linear equation.

Using the slope and y-intercept, draw an equation as follows.

1. To solve for the y-intercept in the equation y = mx + b.

2. Draw the y-intercept on a graph. The purpose will be (0, b).

3. Ascertain what the slope=m of the equation y = mx + b is.

4. Take one step, utilizing the elevation, and sprint away from the slope. If it's good, move up to the right; if it's negative, move down to the right.

5. Join these two spots together with your line.

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Suppose =m∠884°. Find m∠1 and m∠3

Answers

Answer: The measure of an angle is the same as the measure of its reference angle in the first or fourth quadrant. Since, m∠884° is in the 8th quadrant, we can use the reference angle in the first quadrant, which is m∠4°.

So, m∠1 = m∠4°

To find the measure of the angle m∠3, we can use the fact that angles in different quadrants that share a terminal side have measures that add up to 180°.

m∠3 = 180° - m∠1

m∠3 = 180° - m∠4°

m∠3 = 180° - 4° = 176°

Therefore, m∠1 = m∠4° and m∠3 = 176°.

Step-by-step explanation:

the value is a because a . b. the value is a because a . c. the value is a because a . d. the value is a because a .

Answers

The value of the expression will be 1.

Sin⁶θ + cos⁶θ + 3 sin²θ cos²θ

It can be written as

=> (sin² θ)³ + (cos² θ)³ + 3 sin² θ cos² θ

We know that

a³+b³ = (a+b)³-3ab(a+b)

On applying this identity to the above expression

then

Where a = sin² θ and b = cos² θ

[(sin²θ+cos²θ)³-3sin² θ cos² θ(sin²θ+cos²θ)] +

3 sin² θ cos²θ

=> (1)³ - 3sin² θ cos² θ(1)] + 3 sin² θ cos²θ

Since, sin² θ + cos²θ = 1

=> 1 - 3sin² θ cos² θ+ 3 sin² θ cos²θ

=> 1

Therefore,sin⁶θ+cos⁶θ+3 sin²θ cos²θ = 1

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The question is incomplete, I attached a possible picture of it.

The value of the expression will be? ​

Julian is trying to find the height of a radio antenna on the roof of a local
building. He stands at a horizontal distance of 28 meters from the building.
The angle of elevation from his eyes to the roof (point A) is 32°, and the
angle of elevation from his eyes to the top of the antenna (point B) is 35°. If
his eyes are 1.51 meters from the ground, find the height of the antenna (the
distance from point A to point B). Round your answer to the nearest tenth of
a meter if necessary.

Answers

The height of the antenna on the roof of the local building is approximately 2 meters.

What is Pythagorean theorem?

Pythagorean theorem, the well-known geometric theorem that the sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse (the side opposite the right angle)—or, in familiar algebraic notation, a2 + b2 = c2.

here, we have,

The situation forms a right angle triangle.

Properties of a right angle triangle:

One of its angles is equals to 90 degrees

The sides of the triangles can be calculated using Pythagoras theorem.

Therefore, let's find the height of the building and the radio antenna from the eye point.

Using trigonometric ratios,

tan 35° = opposite / adjacent

tan 35° = x / 28

where

x = the height of the building and the radio antenna from the eye point.

x = 28 tan 35

x = 28 × 0.700207

x = 19.60581 meters

Let's find the height of the building from his eye point.

tan 32° = y / 28

where

y = height of the building from his eye point

y = 28× tan 32°

y = 28 × 0.6248693

y = 17.496341 meters

Height of the antenna

=  19.60581 -17.496341

=2.109469

hence, Height of the antenna ≈ 2 meters

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how many ways are there to put 5 balls in 2 boxes if the balls are distinguishable but the boxes are not?

Answers

There are 10 ways to put 5 balls in 2 boxes

A Combination formula C(n , r) = [tex]\frac{n!}{r! (n -r)!}[/tex]  is used when

We wish to find the total number of ways of distributing objects that are not distinguishable Given that, a total set of objects is nDistributed in r other objects

Given that, the total balls are 5:

n=5

We have wished to distribute them in 2 boxes:

r=2

Since the objects are indistinguishable, we can be used the combinations formula:

C(n , r) = [tex]\frac{5!}{2! 3!} = 10[/tex]

Hence, there are 10 ways to put 5 balls in 2 boxes.

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questiona series is given by 131 232 333 434 535 ....francine correctly applies the ratio test to determine whether the series converges or diverges.which statement reflects francine's conclusion?

Answers

From the ratio test, r=1/3. The series converges.

We must calculate the ratio between two successive phrases in order to perform the ratio test:

The nth term is n / 3n.

The (n + 1)th term is (n + 1) / 3n + 1.

The ratio test:  lim |   [ (n + 1) / 3n + 1 ]  /  [  n / 3n ]   |

                =    lim |    [ (n + 1) / n ]  ·  [ 3n  / 3n + 1 ]   |

                =    lim |    [ (n + 1) / n ]  ·  [  1/3  ]   |

                =   (1/3) · lim |  (n + 1) / n  |

                =   (1/3) · lim |  ( n/n ) + (1/n)  |

                =   (1/3) · lim |  1 + (1/n)  |

                =   (1/3) · [ lim | 1 | + lim | 1/n |

                =   (1/3) · [ 1 + 0 |

According to the ratio test, the series converges if this ratio is between -1 and 1 (excluded). This sequence thus comes together.

                =   (1/3)   <---  converges

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The full question:

A series is given by 1/3^1+2/3^2+3/3^3+4/3^4+5/3^5+...

Francine correctly applies the ratio test to determine whether the series converges or diverges.

Which statement reflects Francine's conclusion?

From the ratio test, r = 3. The series converges.

From the ratio test, r=1/3. The series diverges.

From the ratio test, r = 3. The series diverges.

From the ratio test, r=1/3. The series converges.

Answer:

From the ratio test, r=13. The series converges.

Step-by-step explanation:

I took the Test

Louise and Kell walk to school. Louis walks 4/5mi. Kell walks 0.70mi. Who walks a greater distance to school? How much greater?

Answers

Answer:

Step-by-step explanation:

           OK, first what I did was keep 0.70 the same and then I make 4/5 into a decimal and I get 0.8 so now that both are decimals we can compare them and 0.8 is greater so that means Louis walks a greater distance than Kell does

Find the missing values in the ratio table. Then write the equivalent ratios in the order they appear in the table. Feet $\frac{1}{24}$ $\frac{1}{8}$ Inches $\frac{1}{2}$ $1$ $\frac{1}{4}$ : : : :

Answers

The missing value in the ratio table will be calculated is 4.

How to calculate the ratio?

Ratio in Mathematics simply demonstrates how many times one number can be able to fit into another number. It should be noted that ratios contrast two numbers by dividing them. In this case, A/B will be the formula if one is comparing one variable (A) to another variable (B).

The missing values in the ratio table will be calculated this:

1/2 = x / 8

The next thing to do after the above is to cross multiply in order to get the value of x. This will be:

2 × x = 1 × 8

2x = 8

Then, we have to divide through by 2.

x = 8 / 2

x = 4

Therefore, the value of x is 4.

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Complete question

Find the missing values in the ratio table.

1/2 : x/8

please help me with this problem everything is on the image

Answers

The table that shows a proportional relationship is Table D.

Please find attached the graph of Table D created with MS Excel

What is a proportional relationshp?

The variables x and y in a set of ordered pair (x, y), are proportionally related, when the ratios of the x and y values for of all data points in the set are equivalent, such that a proportional relationship can be expressed in the form; y = k·x

Where;

k = The constant of proportionality

Therefore; k = y/x

The ratio of the y-values to the corresponding x-values in the table that shows a proportional relationship is therefore a constant.

Analyzing the Table C, we get;

The points are; (2, 1), (4, 3), (6, 5), (8, 7)
x/y for each data point is therefore;

1/2 ≠ 3/4 ≠ 5/6 ≠ 7/8

Table C does not show a proportional relationship

The coordinate points in Table D are; (2, 1), (6, 3), (8, 4), (10, 5)

The ratio, x/y at each point in the table are therefore;

1/2 = 3/6 = 4/8 = 5/10 = 1/2

The ratio, x/y at each point in the table is constant, therefore, Table D ahows a proportional relationship.

Please find attached the graph of Table D which shows a proportional relationship, created with MS Excel

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A picnic basket is shaped like a rectangular prism. The height of the basket is 8 inches. The bottom of the basket has an area of 240 square inches.

What is the volume of the picnic basket?

Enter your answer in the box.

in³

Answers

The volume of the picnic basket is 1920in^3.

How to find the volume of a prism?

If the prism is such that if we slice it horizontally at any height smaller or equal to its original height, the cross section is same as its base, then its volume is:

[tex]V = B \times h[/tex]

where h is the height of that prism and B is the area of the base of that prism.

Given;

The height of the basket is 8 inches

The bottom of the basket has an area of 240 square inches.

Now,

V=B x h

V= 8 x 240

V= 1920

Therefore, the volume will be 1920in^3

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3/4x+5=-9? what is the solution

Answers

Answer:

x= -18.6666666667

Step-by-step explanation:

[tex]3/4x+5=-9\\ \\3/4x=-9-5\\ \\3/4x=-14\\ \\x= -14 X \frac{4}{3}\\ \\x= \frac{-14 X4}{3}\\ \\x= \frac{-56}{3}\\\\x= -\frac{56}{3}\\\\x= -\frac{56}{3} = -18.6666666667[/tex]

A frozen yogurt shop conducted a survey in which it asked every fourth customer for his or her favorite flavor. Most of the customers surveyed preferred vanilla yogurt, so the shop concluded that the customers' favorite flavor is vanilla. Is this a valid conclusion?

Answers

Answer:

No

Step-by-step explanation:

They did not get everyones imput

What is the opposite of -2/5

Answers

Answer: The opposite of a number is the number that, when added to it, equals zero. In this case, the opposite of -2/5 is 2/5. When you add -2/5 and 2/5, the result is 0.

Step-by-step explanation:

This should help you

Answer: 2/5

Step-by-step explanation: If it’s negative you change it, if it’s positive you keep the number the same so in this question the fraction 2/5 is negative so the opposite of -2/5 is 2/5.

Which is the ratio used to find a midpoint?

Answers

So, the midpoint is at a ratio of 1/2 of the way from the first point to the second point on both x and y axis.

The ratio used to find the midpoint of a line segment is 1:1 or 1/2:1/2.

To find the midpoint of a line segment, we need to average the x-coordinates and the y-coordinates of the two given points.

The x-coordinate of the midpoint = (x1 + x2)/2

The y-coordinate of the midpoint = (y1 + y2)/2

So we can say that the midpoint is at a ratio of 1/2 of the way from the first point to the second point on both x and y axis.

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What is the equation of the line in
slope-intercept form?
1
y = x+2
3
y =
1
3
8
y = 2x +
y = 2x
1
-
3

Answers

y = 2x + 2

How do you find the intercept of a line?

Think about the equation Ax + By = C for a straight line. You may also use y = 0 and solve for x to determine the x-intercept. Substituting x = 0 and y-solving will reveal the y-intercept.

Step 1: y =

Step 2: y = x

Step 3: y = x + 2

Answer: y = 2x + 2

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Use the quadratic formula to find both solutions to the quadratic equation
given below.
3x2 - x + 5 = 0

Answers

I hope this helps you

Write the phrase as an expression. Then simplify the expression. 7 plus the sum of a number x and 5

Answers

Answer:

The expression. 7 plus the sum of a number x and 5 will be written as 7 + (x + 5).

Step-by-step explanation:

From the information given, the phrase is written as 7 plus the sum of a number x and 5. Therefore, the expression will be:= 7 + (x + 5).

Let's say x is 2. The the value will be:= 7 + (2 + 5)

= 7 + 7 = 14 

In conclusion, the correct option is 7 + (x + 5).

5x + 6 = 2x – 3 help

Answers

Answer:

x=-3

Step-by-step explanation: 5x+6=2x-3

Answer:

x = -3

Step-by-step explanation:

5x + 6 = 2x - 3

Subtract 2x + 6 on both sides,

5x + 6 - (2x+6) = (2x-3) - (2x + 6)

3x = -9

x = -3

When can a quadratic equation be solved by factoring?

Answers

We can solve a quadratic equation by factoring only if always the equation is in the form "(quadratic expression) equals (zero)".

We need to use the following steps to solve the quadratic equation by factoring:

Step 1. Place the quadratic expression on one side of the "equals" sign, with zero on the other side.

Step 2. Factor the given quadratic expression into its two linear factors.

Step 3. Put each of these linear factors equal to zero, forming two linear equations.

Step 4. Solve the two linear equations.

For example, Solve (x − 2)(x − 4) = 0 by factoring.

x − 2 = 0   or   x − 4 = 0

x = 2   or   x = 4

x = 2, 4

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is 3x - 5=-3 positive negative or zero

Answers

Answer:

3x - 5=-3

3x - 5+5=-3+5

3x=2

3x/3=2/3

x=2/3

Positive :D Hope this helped!!

Step-by-step explanation:

Answer:

x is positive.

Step-by-step explanation:

3x - 5= -3   ==> isolate x

3x = 2  ==> add 5 on both sides

x = 2/3  ==> divide 3 on both sides

Hence, x is positive.

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