AnswersCUSD Math 01 A 5.0Function Notation

Function Notation Answers

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f(3) is.

A
–3
B
–2
C
3
D
7
63009

What does t represent?

A
altitude of the balloon
B
time after the balloon begins to descend
C
time it takes the balloon to reach the ground
63010

A hot air balloon descends to the ground. The function h(t) = 210 – 15t can be used to describe the altitude of the balloon as it approaches the ground. Which statement best describes the graph of the function that models the descent of the balloon?

A
The graph is discrete because there cannot be fractional values for time.
B
The graph is discrete because there cannot be negative values for altitude.
C
The graph is continuous because there can be fractional values for time.
D
The graph is continuous because there can be negative values for altitude.
63011

Which statement best describes the function h(t) = 210 – 15t?

A
h is the function name; h(t) is the input, or independent variable; and t is the output, or dependent variable.
B
h is the function name; t is the input, or independent variable; and h(t) is the output, or dependent variable.
C
t is the function name; h(t) is the input, or independent variable; and h is the output, or dependent variable.
D
t is the function name; h is the input, or independent variable; and h(t) is the output, or dependent variable.
63012

What is the domain of the function represented in the graph?

A
{t| 0 ≤ t ≤ 14}
B
{h| 0 ≤ h ≤ 210}
C
{t | 0 ≤ t ≤ 210}
D
{h | 0 ≤ h ≤ 14}
63015

What does a(t) represent?

A
altitude of the balloon
B
time after the balloon begins to descend
C
time it takes the balloon to reach the ground
63016

What did you include in your response? Check all that apply.

A
t represents time, which is the input of the function.
B
h(t) represents the altitude, which is the output of the function.
C
After 10 minutes, the hot air balloon is at 60 feet.
63017

What information will a(5.5) give?

A
time it takes the balloon to reach an altitude of 5.5 feet
B
altitude of the balloon after 5.5 minutes
C
time it will take the balloon to reach the ground, or 5.5 minutes

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