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Popular >

inverse of f(x)=3^{2x}-4

Solution

inverse

f (x) = 3^{2 x} - 4

Solution

\frac{ln ( x + 4 )}{2 ln ( 3 )}

Solution steps

y = 3^{2 x} - 4

Replace

x

with

y

x = 3^{2 y} - 4

Solve for

y, x = 3^{2 y} - 4

\frac{ln ( x + 4 )}{2 ln ( 3 )}

Popular Examples

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f (x) = \frac{9}{2 x - 5}

Frequently Asked Questions (FAQ)

What is the inverse of f(x)=3^{2x}-4 ?
The inverse of f(x)=3^{2x}-4 is (ln(x+4))/(2ln(3))