CPM Homework Help : CCA2 Problem 7-97

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7-97.

Find the inverse functions for the functions given below.

$f ( x ) = \sqrt [ 3 ] { 4 x - 1 }$
Hint (a):
Review the help for problems 5-51 and 6-136.

$g(x)=\log_7x$
Step 1(b):
Rewrite the logarithm in exponential form.
$7^{g(x)}=x$
Step 2(b):
$7^x=g^{−1}(x)$
Switch $x$ and $g(x)$ and rename it $g^{−1}(x)$ .
Answer (b):
$g^{−1}(x)=7^x$

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