Use the graph of f '(x) to answer questions #25-29. 25. For which interval(s) is f (x) decreasing? f ' (xx ) A. (0, 2) B. (-00, 0) U(2, 00 ) C. (-20, 3) D. (3, 00) 2 2 26. For which interval(s) is f (x) increasing? A. (0,2) B. (-00, 0) (2, 00) -2 C. (-00, 3) D. (3,00) 27. Find the relative minimum(s) for f(x) . A. (2, -4) B. (0,0) C. (3, f (3) ) D. none 28. Find the relative maximum(s) for f(x) . A. (2, -4) B. (0,0) C. (3, f (3) ) D. none 29. For what intervals is(are) f (x) concaved upward? A. (0, 2) B. (-00, 0) U(2, 00 ) C. (-00, 3) D. (3,00) E. (1,00 )