Quiz about Functions Domain and Range Function Notation

Question 1

Evaluate f(-2) if f(x) = x+3

Accepted Answer

1

Answer

-1

Answer

5

Answer

-5

Question 2

If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

Accepted Answer

-2

Answer

7

Answer

-9

Answer

-10

Question 3

For the function f(x) = -3(x-1) find f(0).

Accepted Answer

3

Answer

0

Answer

-3

Answer

-1

Question 4

Given f(x) = x² - 7x, find f(8).

Accepted Answer

f(8) = 8

Answer

f(8) = -3584

Question 5

Given h(x) = -9x +5, find h(8).

Accepted Answer

h(8) = -67

Answer

h(8) = -360

Question 6

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

Accepted Answer

8

Answer

4

Answer

0

Answer

3

Question 7

What is f(1)?

Accepted Answer

5

Answer

1

Answer

0

Answer

4

Question 8

If h(a) = 3 - 2a
Find h(-3).

Accepted Answer

9

Answer

12

Answer

-2

Answer

-3

Question 9

Which ordered pair below would prevent this table from being a function?

Accepted Answer

(-2, 0)

Answer

(10, 10)

Answer

(2, 4)

Answer

(6, 1)

Question 10

Does this mapping diagram represent a function?

Accepted Answer

Yes, because there are no repeating input values

Answer

No, because there are repeating input values

Question 11

Which graph does NOT pass the vertical line test?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 12

Is the relation a function? Why.

Accepted Answer

No, because the x-value 11 has two y-values pair with it.

Answer

Yes, because the x-value 11 has two y-values pair with it.

Answer

Yes, because each x-value has only one y-value paired with it.

Answer

No, because each x-value has only one y-value paired with it.

Question 13

Evaluate f(-2) if f(x) = x²+ 3

Accepted Answer

7

Answer

-1

Answer

1

Answer

-7

Question 14

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

Accepted Answer

D:{-4, 0, 1, 2}
R:{-4, -3, 1}

Answer

D: {1, -3, -4,}
R: {0, 1, 2, -4}

Answer

D:{0, 1, 2, 3, 4}
R:{1, -3, -4}

Question 15

f(8) = 12
Convert to coordinate point.

Accepted Answer

(8, 12)

Answer

(12, 8)

Question 16

Is this a function? Explain.

Accepted Answer

Yes; it passes the vertical line test.

Answer

Yes; it passes the horizontal line test.

Answer

No; it is not a straight line.

Answer

No; there is a line connecting the dots.

Question 17

Question 17.

Accepted Answer

Function

Answer

Not a Function

Question 18

Question 18.

Accepted Answer

Not a Function

Answer

Function

Question 19

Question 19.

Accepted Answer

{-2, 3, 7}

Answer

[-2, 3]

Answer

{1, 2, 2, 3, 4}

Answer

[1, 4]

Question 20

What is the domain of the graph?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 21

I throw a ball 10 feet in the air.  If the domain is the number of seconds, what is a possible range for the function?

Accepted Answer

All real numbers between 0 and 10

Answer

Integers between 0 and 10

Answer

Rational Numbers between 0 and 10

Answer

Whole Numbers between 0 and 10

Question 22

A set of weights includes a 5 lb barbell and 8 pairs of weight plates. Each pair of weight plates weighs 30 lbs. If x pairs of plates are added to the barbell, the total weight of the barbell and plates can be represented by f(x)=30x+5.

What is the range of the function for this situation?

Accepted Answer

{5, 35, 65, 95, 125, 155, 185}

Answer

{0, 1, 2, 3, 4, 5, 6}

Answer

{0, 5, 10, 15, 20}

Answer

{5, 10, 15, 20, 25, 30}

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