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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

$f(x) = x^2 + 3$ and

$g(x) = sqrt(x-4)$ find

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

$x-1, \ \ x >= 4$
$sqrt(x^2 - 1), \ \ x < -1 or x > 1$
$x+1, \ \ x >= 4$
$x+1, \ \RR$