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Type: Multiple-Choice
Category: Functions and Relations
Level: Grade 11
Standards: HSF-BF.B.4, HSF-BF.B.4a
Tags: HSF-BF.B.4a
Author: HTPhysics
Created: 2 months ago

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Grade 11 Functions and Relations CCSS: HSF-BF.B.4, HSF-BF.B.4a

What is the inverse of

$k(x) = 1/(x − 4)$ ?

$k⁻¹(x) = 1/x + 4$
$k⁻¹(x) = 1/(x + 4)$
$k⁻¹(x) = (1 − 4x)/x$
$k⁻¹(x) = x/(1 + 4x)$