11. Suppose that for a function f, the equation f(x) = 0 has exactly three real-number solutions. Which of the following statements MUST be true? A. f has exactly three x-intercepts. has exactly three y-intercepts. B. C. f is a cubic polynomial function. D. is an invertible function. 11. 12. The graph of y = f(x) is shown at the left and the graph of y = g(x) is shown at the right. (No formulas are given.) What is the relationship between g(x) and f(x)? 4 2- 2+ -4 -2 2 4 -4 +++ -2 2 4 -2 -2+ -4+ y=f(x) y = g(x) A. g(x) = f(x)-4 B. g(x) = f(x)+4 C. g(x) = f(x+4) D. g(x) = f(x-4) 12.