# Math

posted by .

use the functions f(x)=x+4 and
g(x)=2x-5 to find the specified functions.

(g X f)^-1

Would the answer be x+1 over 2?

• Math -

First determine that

(g X f)(x) = 2(x+4)-5 = 2x -1

The inverse of that (x+1)/2
You are correct

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