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Test Section09SettingUpFunctionsTest

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Problem 1.

(1 point)
If and , write a formula for the function .

Problem 2.

(1 point)
In the height function , which of the following is true?





Problem 3.

(1 point)
You are told that the difference between two functions is constant, . Which of the following is true?





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.

Problem 5.

(1 point)
If , what is the coefficient of ?

Problem 6.

(1 point)
Express the volume, , of a cube as a function of the area, , of its base.

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?





Problem 8.

(1 point)
If , what is the coefficient of ?

Problem 9.

(1 point)
If , what is the coefficient of ?

Problem 10.

(1 point)
Write a formula for the function if and .