Let h(x) = 3(5x + 2)^2 - 4 (5x + 2). If h(x) = f(g(x)), then f and g could be a) f(x) = 3x^2 - 4x and g(x) = 5x + 2 b) f(x) = x^2 and g(x) = 3 + 4x c) f(x) = 3x^2 + 4x and g(x) = 5x + 2 d) f(x) = 5x + 2 and g(x)-3x^2 - 4x e) f(x) = 5x + 2 and g(x) = 3x^2 + 4x