angeliquewitham1 angeliquewitham1

07-02-2020
Mathematics

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What is the inverse of f(x)=4x-3/2

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a5904640 a5904640

07-02-2020

f(x) = 4x - 3/2

To do the inverse function you just need to call f(x) y and put everything of x side in the other

y = 4x - 3/2

y + 3/2 = 4x

x = (y + 3/2)/4

x = y/4 + 3/8

Now just switch x and y

y = x/4 + 3/8

So f(x)^-1 = x/4 + 3/8

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