mariah0013 mariah0013

11-04-2021
Mathematics

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f(x)=2x+7,, find f^-1(f(f^-1(9)))

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cooperkamani170 cooperkamani170

11-04-2021

Answer:

If the original function is f(x)=2x-7, the order for the function is to multiply the x by 2 and then subtract 7. The inverse reverses this, so it adds 7 to the y and then divides by 2. So, the inverse of f(x)=2X-7 is f^-1(y)=(y+7)/2.

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