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. as x increases, the rate of change of f(x) exceeds the rate of change of g(x). b. at x = 2, the rate of change of g(x) is equal to the rate of change of f(x). c. on every interval of x, the rate of change of f(x) exceeds the rate of change of g(x). d. as x increases, the rate of change of g(x) exceeds the rate of change of f(x).