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Popular >

inverse of f(x)=8(1/7)^x

Solution

inverse

f (x) = 8 (\frac{1}{7})^{x}

Solution

- \frac{ln ( \frac{x}{8} )}{ln ( 7 )}

Solution steps

y = 8 (\frac{1}{7})^{x}

Replace

x

with

y

x = 8 (\frac{1}{7})^{y}

Solve for

y, x = 8 (\frac{1}{7})^{y}

- \frac{ln ( \frac{x}{8} )}{ln ( 7 )}

Graph

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Frequently Asked Questions (FAQ)

What is the inverse of f(x)=8(1/7)^x ?
The inverse of f(x)=8(1/7)^x is -(ln(x/8))/(ln(7))