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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

Find

$(f@g)(x)$ and state its domain if

$f(x) = sqrt(x + 8)$ and

$g(x) = 2x^2 - 12$ .

$sqrt(2x^2 - 4), \ \ x>=sqrt(2)$
$sqrt(2x^2 - 4), \ \ x <= -sqrt(2) or x >= sqrt(2)$
$sqrt(2x^2 - 4), \ \ x>=2$
$sqrt(x-4), \ \ x>=4$