For f(x) = 5x and g(x) = x + 5, find the following functions. a. (f o g)(x); b. (g of)(x); c. (f o.g)(2); d. (g of)(2) . . . a. (f o g)(x) = (Simplify your answer.) b. (g o f) (x) = (Simplify your answer.) c. (f o g)(2) = d. (g o f) (2) =