babeesky babeesky

08-06-2015
Mathematics

contestada

Which of the following expressions is the inverse of the function y equals quantity x minus 2 divided by 3

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lulu1991 lulu1991

21-06-2015

The original equation is f(x)=(x-2)/3. And you need to inverse the x and y. The equation can be changed to: y=(x-2)/3 => x=(y-2)/3 => y=3x-2 =>f-1(x)=3x-2. So the answer is f-1(x)=3x-2.

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