Quiz about Interpreting a Function Using Function Notation

Question 1

j(x) = 2x + 3
j(-1) = ______

Accepted Answer

1

Answer

-1

Answer

5

Answer

-5

Question 2

What is x if
f(x) = -2?

Accepted Answer

8

Answer

4

Answer

0

Answer

3

Question 3

Using f(x) , g(x) , or h(x) instead of y is called using ......

Accepted Answer

Function Notation

Answer

Slope Notation

Answer

Variable Notation

Answer

Intercept Notation

Question 4

g(x) = 2x + 1 g(9) means?

Accepted Answer

substitute 9 for x

Answer

multiply the variable g time 9

Answer

y is equal to 9

Answer

2x + 1 equals 9

Question 5

Which of the following is true about $$f\left(2\right)=5$$

Accepted Answer

2 is the input

Answer

5 is the independent variable

Answer

there is no input

Answer

5 is the input

Answer

2 is the same as 5 and are both inputs

Question 6

Select all that apply.

f(x) is the same thing as ______.

Accepted Answer

y

Accepted Answer

output

Answer

x

Answer

input

Answer

independent variable

Question 7

g(15) = -1
Convert to a coordinate point.

Accepted Answer

(15, -1)

Answer

(-1, 15)

Answer

(1, 15)

Answer

(-15, -1)

Answer

(15, 1)

Question 8

If a question asks you to find f(2), what does that mean?

Accepted Answer

Let x = 2

Answer

Let y = 2

Question 9

If I know that f(2) = 4, what is another way I can write my answer?

Accepted Answer

(2, 4)

Answer

2,4

Answer

That is the only way to write it.

Question 10

h(x) = 3x + 1 evaluate when h(x) = 10 is the same as saying

Accepted Answer

on a graph y = 10 for this function

Answer

substitute 10 for x

Answer

multiply h by 10

Answer

the 10th value of h will be 3x + 1

Question 11

f(x) represents the amount of money in your bank account after 'x' months. Which notation below represents: The amount of money in your bank account after 3 months is more than the amount of money in your bank account after 4 months?

Accepted Answer

f(3) > f(4)

Answer

f(3) = f(4)

Answer

f(3) = 4

Answer

f(3) < f(4)

Question 12

Translate the function notation into a coordinate point.

Accepted Answer

$$\left(-1,5\right)$$

Answer

$$\left(1,5\right)$$

Answer

$$\left(5,1\right)$$

Answer

$$\left(5,-1\right)$$

Question 13

If f(x) = 7, what is the value of x?

f(x) = 3x+1

Accepted Answer

2

Answer

$$\frac{8}{3}$$

Answer

3

Answer

8

Question 14

If f(x) = 7, what is the value of x?

6x - 5 = f(x)

Accepted Answer

2

Answer

3

Answer

6

Answer

12

Interpreting a Function Using Function Notation

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