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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

For

$f(x) = 2x^2 - 9x - 5$ and

$g(x) = 7x-2$ , find

$(g/f)(x)$ and its domain.

$1/(2x^2) - 7/(9x) + 2/5; \ \ x!=0$
$2x^2 -9/7x + 5/2; \ \ RR$
$(7x-2)/(2x^2 - 9x - 5); \ \ x!=-1/2, 5$
$(2x^2 - 5x - 9) / (7x-2); \ \ x!= 2/7$