1 Answer

Cvanbeek · Answer 1 · 2023-01-30T23:32:54+0000

Given a function:

We have to find the value of:

$(f\circ f^(-1))(-9)$

It is known that if f is an invertible function, then

$(f\circ f^(-1))(x)=x_{}$

So, here:

$(f\circ f^(-1))(-9)=-9$

Thus, the answer is -9.

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