Question

Which represents the inverse of the function f(x)=4x?

Answer 1

`h(x) = (1)/(4)x`

Explanation:

Suppose h is the inverse of f then

f(x) = y ⇔ h(y) = x

f(x) = y ⇔ 4x = y ⇔ x = y/4

and since x = h(y) then h(y) = y/4

then we can write :

`h(x) = (x)/(4)`

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:)