## College Algebra 7th Edition

g(f(x)) = g(2x - 5) = $\frac{2x - 5 + 5}{2}$ = x f(g(x)) = f$(\frac{x + 5}{2}$) = 2$(\frac{x + 5}{2}$) - 5 = x + 5 -5 = x Since g(f(x)) = f(g(x)), f and g are inverses of each other