kamarhyiairall kamarhyiairall

10-03-2017
Mathematics

contestada

Given f(x) = the quantity of 2x minus 2 divided by 4, solve for f−1(3).

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anthony12341 anthony12341

16-03-2017

given: f(x)=(2x-2)/4
find f^-1(3)?
we need to find the inverse of f(x), so
x=(2y-2)/4
2y-2=4x
y-1=2x
y=2x+1
so, then f^-1(x)=2x+1
f^-1(3)=2(3)+1
=6+1
=7
so, the answer is 7

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