Inverse of a Logarithm

A logarithmic function is the inverse of an exponential function.

• True

• False

The inverse of an exponential function is its reflection across the x-axis.

• True

• False

Which equation is the inverse of the equation above?

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Which equation is the inverse of the equation above?

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Which equation is the inverse of the equation above?

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Which equation is the inverse of the equation above?

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Which equation is the inverse of the equation above?

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The exponential function f(x)=2^x and the logarithmic function g(x)=log₂(x) are inverses. You know that because their graphs are reflected over what line?

• the x-axis

• the y-axis

• y=x

• y=-x