18. Solve the inequality.2 5 19. Solve the inequality. *-8x+12 > 0 x2-16 Graph A Graph B Graph C Graph D Use the graphs of A - D above to answer the following: 20. Which graph(s) have the domain (-0o, 2) U (2, co) ? Circle: A B C D 21. Write the domain of graph C in interval notation: 22. Write the domain of graph D in interval notation 23. Which graph(s) have a range of (2, co) ? Circle: A B C D 24. Which graph(s) have a range of -co, co) ? Circle: A B C D 25. State the range of the function in graph C in interval notation: 26. If f represents the function, which choice(s) have a single solution to the equation f (x) = -1? Circle: A B C D 27. If f represents the function, which choice(s) have exactly two solutions to the equation f (x) = 3? Circle: A B C D 28. Use graph D, find the x-values such that A. f (x) = 0 B. f(x)