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mathprep
Section09SettingUpFunctionsTest
v9
Test
Section09SettingUpFunctionsTest
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Problem 1.
(1 point)
If and , write a formula for the function .
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Problem 2.
(1 point)
In the height function , which of the following is true?
A.
and represent variables, and are constants.
B.
, and represent variables, and is a constant.
C.
is the name of a function, represent variables, and is a constant.
D.
is the name of a function, represents a variable, and are constants.
E.
All of , , and are variables.
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Problem 3.
(1 point)
You are told that the difference between two functions is constant, . Which of the following is true?
A.
and are names of functions, represents a variable, and is a constant.
B.
All of are names of functions and is a variable.
C.
All of are names of functions and is a constant.
D.
and are names of functions, and and both represent variables.
E.
is the name of a function, are variables, and is a constant.
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Problem 4.
(1 point)
A right circular cone with height and radius has volume . Write a formula for if its height is four times as long as its radius.
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Problem 5.
(1 point)
If , what is the coefficient of ?
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Problem 6.
(1 point)
Express the volume, , of a cube as a function of the area, , of its base.
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Problem 7.
(1 point)
The function giving the amount of medicine remaining in the bloodstream hours after it has been administered is , where is the medicine's half-life and is the initial dose. Which of the following is true?
A.
is the name of a function, represents a variable, and and are constants.
B.
and are names of functions, represents a variable, and is constant.
C.
, and represent variables, and is a constant.
D.
is the name of a function, represents a variable, and and are constants.
E.
All of , , and represent variables.
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Problem 8.
(1 point)
If , what is the coefficient of ?
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Problem 9.
(1 point)
If , what is the coefficient of ?
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Problem 10.
(1 point)
Write a formula for the function if and .
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