1. The function f(x)= ( 1 3 )4^ x graphed below. Which statement accurately compares the graph below with the graph of f(x) = 4 a. The graph above is a vertical stretch of the graph f(x) = 4 ^ x b. The graph above is a vertical compression of the graph f(x) = 4 ^ x The graph above is a horizontal stretch of the graph f(x) = 4 ^ x d. The graph above is a vertical translation of the graph f(x) = 4 ^ x