Which of the following answer choices best describes a composite function?

A composite function is an expression where one function is the input for another function.

A composite function is an expression where one variable is the input for another function.

A composite function is an expression where one function is the input for a variable.

A composite function is an expression where one fraction is the input for another function.

What is f(x+3) if f(x) = x4 + 2x^3 − x?

(x−3)^4 + 2(x−3)^3 – (x−3)

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John Doaks 4 questions

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1What is the value inside the parentheses?
1. Avariable
2. Bunknown
3. Cinput or x value
4. Dy value
2Which of the following answer choices best describes a composite function?
1. AA composite function is an expression where one variable is the input for another function.
2. BA composite function is an expression where one function is the input for a variable.
3. CA composite function is an expression where one fraction is the input for another function.
4. DA composite function is an expression where one function is the input for another function.
3What is the value of f(3) = x^3 + x^2?
1. A18
2. B6
3. C54
4. D30
5. E36
4What is f(x+3) if f(x) = x4 + 2x^3 − x?
1. A(x−3)^4 + 2(x−3)^3 – (x−3)
2. B(x+3)^4 – 2(x+3)^3 – (x+3)
3. C(x+3)^3 + 2(x+3)^2 – (x+3)
4. D(x+3)^4 – 2(x+3)^3 + (x+3)
5. E(x+3)^4 + 2(x+3)^3 – (x+3)

Description: ACT Math Quiz on Composite Functions, created by John Doaks on 16/03/2017.
Author: John Doaks
Language: English
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Tags: math act
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