Free Printable Alg Unit 4 Quiz Review- Functions

1.

Which of the following is a function?

a)

b)

c)

d)

2.

Is the following a function?

a)

Yes, this is a function.

b)

No, it's not a function.

c)

Can't be determined with this information.

3.

Is the following graph a function?

a)

Yes, because the x never repeats.

b)

Yes, because they are individual dots.

c)

No, because the x repeats.

d)

No, because it is not a line.

4.

Which of the following is NOT a function?

a)

b)

c)

d)

5.

Which of the following is a function?

a)

b)

c)

d)

6.

f(x) = −2x − 12

f(−5) = ?

a)

−22

b)

−2

c)

−19

d)

−5

7.

f(x) = −2x + 13

f(10) = ?

a)

−7

b)

1

c)

−8

d)

7

8.

g(x) = 5 − 6x

g(−5) = ?

(a)

9.

Is this relation a function?

a)

Function

b)

Not a function

10.

Is this relation a function?

a)

Function

b)

Not a function

11.

Does this graph represent a function?

a)

Yes

b)

No

12.

What is/are the increasing interval(s) for the function shown?

a)

$\left(-3,\ 1\right)$

b)

$\left(4,\ 8\right)$

c)

$\left(-\infty,1\right)\ and\ \left(-3,\ 1\right)$

13.

What is the decreasing interval(s) on the function shown?

a)

$\left(-7,\ -6\right)\ and\ \left(-2,\ 4\right)$

b)

$\left(-7,\ 0\right)\ and\ \left(-2,\ 4\right)$

c)

$\left(-7,\ -6\right)\ and\ \left(-2,\ 0\right)$

d)

$\left(-7,\ 0\right)\ and\ \left(4,\ 5\right)$

14.

in interval A the function is

a)

increasing

b)

decreasing

c)

constant

15.

in interval E the function is

a)

increasing

b)

decreasing

c)

constant

16.

a)

Decreasing Interval

b)

Increasing Interval

c)

Constant Interval

17.

Is the function positive or negative from a to b?

a)

Positive

b)

Negative

18.

Is the function positive or negative from c to d?

a)

Positive

b)

Negative

19.

Is the function positive or negative from d to e?

a)

Positive

b)

Negative

20.

What is/are the decreasing interval(s) of the graphs?

a)

(-8,0)

b)

None

c)

Infinity

d)

(0,-8)

21.

Bob has a lot of gold bars that he has to carry. The weight of 1 gold bar is 27.4 pounds. Let x represent the number of gold bars.

Which function will represents the total weight?

a)

g(x) = 27.4x

b)

g(x) = 27.4 + x

c)

g(x) = x - 27.4

d)

g(x) = 27.4x + 1

22.

Bob has a lot of gold bars that he has to carry. The weight of 1 gold bar is 27.4 pounds. Let x represent the number of gold bars.

What represents the limits of the domain?

a)

All Real Numbers

b)

All Whole Numbers

c)

All Integers

d)

All Natural Numbers

23.

Bob has a lot of gold bars that he has to carry. The weight of 1 gold bar is 27.4 pounds. Let x represent the number of gold bars.

If Bob has no more than 2 gold bars which inequality represents the range?

a)

$x\le2$

b)

$0\le x\le2$

c)

$g\le54.8$

d)

$0\le g\le54.8$

24.

What is a function?

a)

Every output has one input.

b)

Every input has one output.

c)

If there is a constant rate of change.

d)

If it is a line.

Alg Unit 4 Quiz Review- Functions

Total questions: 24

Worksheet time: 47mins

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