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Type: Multiple-Choice
Category: Functions and Relations
Level: Grade 11
Standards: HSF-BF.A.1, HSF-BF.A.1c
Author: nsharp1
Created: 5 years ago

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Grade 11 Functions and Relations CCSS: HSF-BF.A.1, HSF-BF.A.1c

$(f@g)(x) = x$ , which of the following could be possible function rules for

$f(x)$ and

$g(x) ?$ Choose all correct answers.

$f(x) = 1/2sqrt(x), \ \ g(x) = 2x^2$
$f(x) = 1/4x - 1, \ \ g(x) = 4x+4$
$f(x) = ln(sqrt(x)) -2, \ \ g(x) = e^(2x+4)$
$f(x) = root[3](x-2), \ \ g(x) = (x+2)^3$