CPM Homework Help : PCT Problem 4-14

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4-14.

Rewrite each of the following equations in $y = ab^x$ form.

$y = 16(2)^{2x−2}$
Step Solution (a):
$y=16\left(2^{2x}\right)\left(2^{-2}\right)$
$y=16\left(2^x\right)\left(\frac{1}{4}\right)$
$y=4\left(2^{2x}\right)$
$y=4\left(4^x\right)$

$y = (4)^{1/2x+2}$
Hint (b):
See example in (a).

$y = 60 (\frac { 1 } { 2 })^{3x+1}$
Hint (c):
See example in (a).

$y = 81 (\frac { 4 } { 9 })^{1/2x+2}$
Hint (d):
See example in (a).

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