Mathematics
missfly
2015-11-02 21:16:15
if f(x)=2x-6, then f^-1(x)=
ANSWERS
Invisible46
2015-11-02 21:53:39

f(x) = 2x - 6 y = 2x - 6 Switching y and x and solving for y; x = 2y - 6 2y = x + 6 y = [latex]frac{x+6}{2} [/latex] Hence, [latex] f^{-1} = frac{x+6}{2} [/latex]

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