A. B. 25 4 - 5 3 -100 C. D. lo-100 - 25 5 -6 100 3 5 -25 -13003.4: Polynomial Functions: Graphs, Applications, and Models 1. Which one of the graphs is that of y = x3 - 3x2 - 6x + 8? 2. Which one of the graphs is that of y = x4+ 7x3 - 5x2 - 75x? 3. How many real zeros does the function graphed in C have? 4. Which one of C and D is the graph of y = -x3 +9x2 - 27x+17? 5. Which of the graphs cannot be that of a cubic polynomial function? 6. Which one of the graphs is that of a function whose range is not ( -co, co ) ? 7. The function f (x) = x4+ 7x3 - 5x2 - 75x has the graph shown in B. Use the graph to factor the polynomial. 8. The function f(x) = -x5 + 36x3 -22x2 - 147x - 90 has the graph shown in D. Use the graph to factor the polynomial