Heidi02 Heidi02

13-09-2018
Mathematics

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I don't understand this problem.

I dont understand this problem class=

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OmegaAzzy OmegaAzzy

13-09-2018

To inverse a function, we do this: f(x) = (5x - 5)/ 2 Turn f(x) into y y = (5x - 5)/2 Swap x and y x = (5y - 5)/2 Solve for y Multiply 2 2x = 5y - 5 Add 5 2x + 5 = 5y Divide (2x + 5)/5 = y Replace y with f^-1(x) f^-1(x) = (2x + 5)/5 Your answer is E.

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