I NEED HELP ASAP IM TAKING A TEST 1. Given the function f(x) = x2 and k = -3, which of the following represents a vertical shift? (2 points) A. f(x) + k B. kf(x) C. f(x + k) D. f(kx) 2. Given the functions f(x) = 2x2 - 8x, g(x) = x2 - 6x + 1, and h(x) = -2x2, rank them from least to greatest based on their axis of symmetry. (2 points) A. g(x), f(x), h(x) B. f(x), g(x), h(x) C. h(x), f(x), g(x) D. h(x), g(x), f(x)