angel6939 angel6939

01-04-2019
Mathematics

contestada

If f(x)=3x-2 over 6 which of the following is the inverse of f(x)

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starlipika starlipika

05-04-2019

set f(x) equal to y

y = 3x-2

swap x and y

x = 3y-2

rearrange to make y the subject

x+2 = 3y

[tex] y = \frac{x + 2}{3} [/tex]

replace y with f^-1(x)

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