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

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

Find

$(f+g)(x)$ , and state its domain, if

$f(x) = -x^2 + 4x + 12$ and

$g(x) = sqrt(x+2)$ .

$-(x-6)(x+2)^(3/2); \ \ x >= -2$
$-(x-6)(x+2)^2; \ \ RR$
$-x^2 + 5x + 14; \ \ RR$
$-x^2 + 4x + sqrt(x+2) + 12; \ \ x >=-2$