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Chapter 4 Review

Total questions: 40

Worksheet time: 4hrs 41mins

Name
Class
Date
1.
If my function rule is x + 3, what is the OUTPUT if the input is 4?
a)
4
b)
3
c)
7
d)
10
2.
If my function rule is 4x, what is the OUTPUT if the input is 5?
a)
45
b)
54
c)
9
d)
20
3.
If my function rule is x - 5, what is the OUTPUT if the input is 14?
a)
9
b)
19
c)
21
d)
1
4.
If my function rule is x + 9, what is my INPUT if the output is 17?
a)
8
b)
6
c)
26
d)
16
5.
Write a rule for the following function table
a)
 7x
b)
 5x
c)
x + 7 
d)
 x ÷ 7
6.
The graph shows the total money earned at a fundraising car wash. Which equation can be used to find the total earned y for the number of cars washed x?
a)
y = x + 5
b)
y = x/5
c)
y = x - 5
d)
y = 5x
7.
For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.
a)
D: {1, -3, -4,}
R: {0, 1, 2, -4}
b)
D: {-4, 0, 1, 2}
R:{-4, -3, 1}
c)
D: {0, 1, 2, 3, 4}
R:{1, -3, -4}
d)
D: {0, 1, 2, -4}
R: {1, -3, -4, 1}
8.
Quadratic equations take the shape of a _______ when graphed.
a)
U
b)
straight line
c)
wavey line/snaked
d)
circle/elliptical
9.
For the function f(x) = -3x + 3 find f(0).
a)
0
b)
-3
c)
3
d)
-1
10.
For the function f(x) = -3(x-1) find f(0).
a)
0
b)
-3
c)
3
d)
-1
11.
If h(a) = 3 - 2a

Find h(-3).
a)
12
b)
-2
c)
-3
d)
9
12.
Paco's daughter will be participating in an upcoming dance recital. She will require a different costume for each dance she plans to performs.
c = the number of costumes Paco's daughter will require
d = the number of dances Paco's daughter plans to perform
Which of the variables is independent?
a)
c
b)
d
13.
Sarah is bringing treats to her middle school class on her birthday. The number of treats she brings in is based on the number of students in her class.
t = the number of treats
s = the number of students
Which of the variables is dependent?
a)
s
b)
t
14.
Carey and Justin are raising money to purchase books for their school's library. The more money they raise, the more books they will be able to purchase for the library.
m = the amount of money Carey and Justin raise
b = the number of books Carey and Justin will be able to purchase
Which of the variables is dependent?
a)
m
b)
b
15.
The function c(m) = 1.45m + 3.50 represents the cost of a taxi for m miles.
What does c(7) represent?
a)
A cost of $7 to ride the taxi
b)
The cost to ride 7 miles
c)
The minimum distance to ride a taxi
d)
The minimum cost of a taxi
16.
The function h(t) represents the height in inches of a plant after t weeks. What does the notation h(4) = 5 mean?
a)
After 5 week the plant is 4 inches tall
b)
The plant grows at a rate of 5/4 inch per week
c)
After 4 weeks the plant is 5 inches tall
d)
The plant grows at a rate of 1 inch per week
17.
A company is selling bubble gum.  The function g(x)=3x+4 tells the company how much to charge if someone buys x packages of bubble gum.  Find g(8) and tell what it means within the context of the problem.
a)
g(8)=8.  This means that after 8 packages of gum, the company makes $8.
b)
g(8)=42.  This means that 8 packages of gum costs $42.
c)
g(8)=28.  This means that 8 packages of gum costs $28.
d)
g(8)=24.  This means that 8 packages of gum costs $24.
18.
Ms. Brackemyer is collecting pencils.  The function p(x)=5x+12 tells us the total amount of pencils Ms. Brackemyer has after collecting for x number of days.  What is the meaning of p(8)=52?
a)
Ms. Brackemyer starts with 8 pencils and ends with 52.
b)
After 8 days, Ms. Brackemyer has 52 pencils.
c)
Ms. Brackemyer starts with 52 pencils and gets 4 more every day.
d)
Every day, Ms. Brackemyer gets 4 new pencils until she has 52.
19.
a)
F
b)
G
c)
H
d)
J
20.
a)
F
b)
H
c)
G
d)
I
21.
a)
Graph A
b)
Graph B
22.
On a graph comparing distance over time, a section of line with a positive slope means
a)
the distance is decreasing.
b)
the distance is staying the same.
c)
the distance is increasing
d)
the distance varies.
23.
On a graph comparing speed over time, a section of line with a negative slope means
a)
that you are going downhill.
b)
that you are going uphill.
c)
that your speed is increasing.
d)
that your speed is decreasing.
24.
On a graph comparing distance over time there is a section of the line that is horizontal. The reason for this could be 
a)
that the person is running to school because they are late.
b)
the person stoppped to talk to a friend.
c)
the person realized they dropped something and went back to get it.
d)
the person ran to a friend's house before continuing on.
25.

Aunt Maggie’s car broke down on Interstate10. Sam’s Towing charges a $57 hook up fee and $2 per mile towed. Regina’s Towing charges a $45 hook up fee and $2.50 per mile towed. Which of the following is NOT true?

a)

Both situations can be modeled using linear functions.

b)

The rate of change of the function that models Regina’s towing charge is 2.5

c)

The intercept of the functions that model both situations represents the hook up fee.

d)

The rate of change of the functions that model both situations represent the miles traveled per hour.

26.

What is the formula for slope-intercept form?

a)

ax + by = c

b)

y=mx+b

c)

y=b+mx

d)

by+ax=c

27.

Appleseed, a tech company, spends a fixed cost of $1500 to manufacture the wristbands for their new Appleseed Watch, plus $100 per unit manufactured.


What is the y-intercept?

a)

1500

b)

100

c)

1500x

d)

100x

28.

1. You saved $300 to spend over the summer. You decide to budget $50 to spend each week.


Write an equation (in slope-intercept form) that represents this situation.

a)

y = 300x + 50

b)

y = 300 + 50x

c)

y = 50x + 300

d)

y = 50 + 300x

29.

y = -2x - 4


Identify the slope and y-intercept.

a)

slope = 2

y - intercept = 4

b)

slope = -2

y-intercept = 4

c)

slope = 2

y-intercept= -4

d)

slope = -2

y-intercept = -4

30.

In the equation y = 5x + 4 the slope is

a)

5

b)

x

c)

4

d)

y

31.

In the equation c(m)=50m + 79.50 the output is

a)

50

b)

m

c)

79.50

d)

c(m)

32.

In the equation h=4t – 6 the input is

a)

h

b)

4

c)

t

d)

-6

33.

Each day, a local cat shelter spends an average of $2.00 on food per cat. The manager estimates the shelter’s daily expenses, assuming there is at least one cat in the shelter, using the function E(x)= 25 + 2.00x.


Select all the statements below that are true.

a)

E(x) is the input

b)

25 represents the shelter's daily nonfood expenses

c)

x represents the number of cats at the shelter

d)

25 is the slope

e)

25 is the constant term

34.

The amount Mike gets paid weekly can be represented by the equation p(α)=2.75a + 200, where a is the number of fashion accessories he sells that week.

Which of the following statements is true?


I. 2.75 is the amount he gets paid per cellphone accessory

II. a is the number of accessories he sells that week

III. p(a) is the total amount he gets paid

IV. 200 is the amount he is gaurranteed to be paid each week

a)

Statement I only

b)

Statements I and II

c)

Statements I, II, and IV only

d)

All statements I, II, III and IV, are true

35.

The slope of the line between that passes through (-9,0) and (-4, 5) is...

a)

-9

b)

5/-13

c)

-1

d)

1

36.

Find the y-intercept, b, of the line that passes through the point (5,8) and a slope 3.

a)

b = –7

b)

b = 8

c)

b = 5

d)

b = –16

37.
Johnny has to pay $15 for a large pizza and 1.50 for each topping.  What is the meaning of the y-intercept?
a)
It cost 1.50 per topping
b)
It cost 1.50 for unlimited toppings
c)
It cost $15 for a large pizza
d)
It cost $15 for a large pizza with no toppings
38.
Dona plays a game with her brother.  The both start with 75 points.  For each round that they win, they receive 30 points.  The equation that models each person's score is
y = 30 x + 75, where x is the number of games a person wins.  What is the meaning of the slope?
a)
the number of games won
b)
the amount of points that a player begins with
c)
the change in points for each game a person wins
d)
the number of points needed to win the game
39.
The graph represents the height of a burning candle.  What is the meaning of the slope?
a)
the time it takes to burn the entire candle
b)
the change in the height of the candle each hour it is burning
c)
the different heights of the candle
d)
the original height of the candle
40.
The graph represents the height of a burning candle.  What is the meaning of the y-intercept?
a)
the time it takes to burn the entire candle
b)
the rate at which the candle is losing height
c)
the change in the height of the candle each hour
d)
the original height of the candle

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