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Review For Mid Unit Assessment

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Last updated over 1 year ago
42 questions
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F.IF.1
F.IF.2
F.IF.4
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8.F.1
F.BF.1.a
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8.F.1
F.BF.1.a
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A.REI.1
F.IF.2
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F.IF.2
F.IF.4
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F.IF.6
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F.IF.6
Question 1
1.

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Question 2
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Question 3
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Question 4
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Question 5
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Question 6
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Question 7
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Question 8
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Question 9
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Question 10
10.

Functions f and A are defined by these equations.

f(x)=80-15x

A(x)=25+10x
Which function has a greater value when x is 2.5?

Question 11
11.

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Question 12
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Question 13
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Question 14
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Question 15
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Question 17
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Question 18
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Question 19
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Question 20
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Question 26
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Question 27
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Question 28
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Question 29
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Question 30
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Question 31
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Question 32
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Question 33
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Question 35
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Question 36
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Question 37
37.

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Question 38
38.

Jada walks to school. The function D gives her distance from school, in meters, as a function of time, in minutes, since she left home.

What does D(10)=0 represent in this situation?

1
Question 39
39.
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Question 40
40.
1
Question 41
41.
Question 42
42.

The height of water in a bathtub, w, is a function of time, t. Let P represent this function. Height is measured in inches and time in minutes.

Match each statement in function notation with a description.
P(4)=10
The bathtub starts out with no water.
P(20)=0
The height of the water is 10 inches after 4 minutes.
P(0)=0
After 10 minutes, the height of the water is 4 inches.
P(10)=4
After 20 minutes, the bathtub is empty.
Function F gives the cost, in dollars, of buying n apples.
Which statement best represents the meaning of C(10)=9?
The cost of buying 9 apples
The cost of 10 apples
Ten apples cost $9.
The cost of 9 apples is $10.
Question 16
16.
Function g is represented by the graph.

For what input value or values is g(x)=4?
2
-2 and 2
16
none
Question 21
21.
Question 22
22.
Question 23
23.
Question 24
24.
Question 25
25.
Match each feature of the situation with a corresponding statement in function notation.
starting height
h(4)
height staying the same
h(1.5)
maximum height
h(t) 6 for 7 \leq t \leq 8
minimum height
h(0)=7
Question 34
34.
The height, in feet, of a squirrel running up and down a tree is a function of time, in seconds.

Here are statements describing the squirrel’s movement during four intervals of time. Match each description with a statement about the average rate of change of the function for that interval.
The squirrel runs up the tree slowly.
The average rate of change is large and positive.
The squirrel runs up the tree very fast.
The average rate of change is zero.
The squirrel starts and ends at the same height.
The average rate of change is negative.
The squirrel runs down the tree.
The average rate of change is small and positive.
Jada walks to school. The function D gives her distance from school, in meters, t minutes since she left home.

Which equation tells us “Jada is 600 meters from school after 5 minutes”?
D(600)=5
D(5)=600
t(5)=600
t(600)=5
False
False
False
False
False