CPM Homework Help : PC Problem 4-77

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4-77.

Solve each equations for $x$ (in terms of $y$ ).

$y = 7^x$
Hint (a):
Take the log of both sides.

$y = x^7$
Hint (b):
Take the 7th root of both sides.

$y =\text{log}_5 x$
Hint (c):
Rewrite the equation in exponential form.

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