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Review For Mid Unit Assessment

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Last updated about 1 year ago
42 questions
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Question 1
1.

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.

Draggable itemarrow_right_altCorresponding Item
P(10)=4
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The bathtub starts out with no water.
P(4)=10
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The height of the water is 10 inches after 4 minutes.
P(20)=0
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After 10 minutes, the height of the water is 4 inches.
P(0)=0
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After 20 minutes, the bathtub is empty.
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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
9.
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.

Function F gives the cost, in dollars, of buying n apples.
Which statement best represents the meaning of C(10)=9?

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Question 12
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Question 13
13.
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Question 14
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Question 15
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Question 17
17.

Function g is represented by the graph.

For what input value or values is g(x)=4?

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Question 18
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Question 19
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Question 20
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Question 21
21.
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Question 26
26.

Match each feature of the situation with a corresponding statement in function notation.

Draggable itemarrow_right_altCorresponding Item
minimum height
arrow_right_alt
h(4)
starting height
arrow_right_alt
h(1.5)
height staying the same
arrow_right_alt
h(t) 6 for 7 \leq t \leq 8
maximum height
arrow_right_alt
h(0)=7
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Question 27
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Question 28
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Question 29
29.
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Question 30
30.
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Question 31
31.
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Question 32
32.
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Question 33
33.
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Question 35
35.
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Question 36
36.
Question 37
37.

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.

Draggable itemarrow_right_altCorresponding Item
The squirrel starts and ends at the same height.
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The average rate of change is large and positive.
The squirrel runs down the tree.
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The average rate of change is zero.
The squirrel runs up the tree very fast.
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The average rate of change is negative.
The squirrel runs up the tree slowly.
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The average rate of change is small and positive.
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?

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

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”?

Question 16
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Question 22
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Question 23
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Question 24
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Question 25
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Question 34
34.