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Type: Multiple-Choice
Category: Functions and Relations
Level: Grade 11
Standards: HSF-BF.B.4, HSF-BF.B.4a
Author: nsharp1
Created: 5 years ago

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

Find the inverse of the following function.

$f(x) = 3^{9x-5}$

$f^{-1}(x) = log_3(1/9 x + 5)$
$f^{-1}(x) = log_3(x/9) + 5$
$f^{-1}(x) = log_3(x+5)/9$
$f^{-1}(x) = (log_3(x) + 5)/9$