12. If f(x) = 2x2 -3, where x 2 0, then the function q(x) that will have a domain and a range that are both different from those of the function f (x) is A. g(z) = f(-x) B. g(x) = f-1(x) C. g(x) =-f(x) D. g(x) = af(x), a20 13. The point (8,-5) is on the graph of y = f(x). If the transformation y = 2f (2x + 4) is applied, the new point is A. (2,-10) B. (16,-1) C. (12,-10) D. (20,-8)