Compare the two functions. f(x) = 4x x f(x) 0 1 1 4 2 16 3 64 4 256 5 1,024 g(x) = 5x + 6 x g(x) 0 6 1 11 2 16 3 21 4 26 5 31 which statement is true? a. on every interval of x, the rate of change of f(x) exceeds the rate of change of g(x). b. as x increases, the rate of change of g(x) exceeds the rate of change of f(x). c. at x = 2, the rate of change of g(x) is equal to the rate of change of f(x). d. as x increases, the rate of change of f(x) exceeds the rate of change of g(x).