Question

Math Problem...can you help? (Functions)

Answer 1

Explanation:

`h(x) = (3)/(x)\\h(h(x)) = (3)/((3)/(x))\\\\h(h(x)) = (3)/(1) * (x)/(3)\\h(h(x)) = (3x)/(3)\\h(h(x)) = x\\\\\\f(f(x)) = (x^2-3)^2-3\\f(f(x)) = x^4+2(x^2)(-3)+(-3)^2-3\\f(f(x)) =x^4-6x^2+9-3\\f(f(x)) = x^4-6x^2+6\\`