Question

Help please someone ​

Answer 1

(fog)(x) =x –14

(gof)(x) =x

Explanation:

`(fog)(x) = f(g(x)) \\ = 8( (x - 7)/(8) ) - 7 \\ = x - 7 - 7 \\ = x - 14`

`(gof)(x) = g(f(x)) \\ = ((8x - 7) + 7)/(8) \\ \\ = (8x)/(8) \\ \\ = x`