amyljimedm amyljimedm

03-09-2020
Mathematics

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Which is the correct inverse function of f(x) = 4x +9?

Which is the correct inverse function of fx 4x 9 class=

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Navinash Navinash

03-09-2020

Let y = 4x + 9

4x = y - 9

x = (y-9) / 4

f(x) = (x-9) / 4

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