Given f(x) =6x and g(x) = 4x + 1, find the following expressions. (a) (fog)(4) (b) (g of)(2) (c) (f of)(1) (d) (gog)(0) (a) (fog)(4) = (Simplify your answer.) (b) (g o f)(2) = (Simplify your answer.) (c) (f o f) ( 1 ) = (Simplify your answer.) (d) (g o g)(0) = (Simplify your answer.)