Submil Answer 3 DETAILS MY NOTES ASK YOUR TEA The graph of the derivative f' of a function fover the interval (0, 9) Is shown. Round your answer to the nearest if necessary. y = f ' (x ) 2 3 4 S 7 8 9 (a) What are the critical numbers of f in the Interval (0, 9)? (Enter your answers as a comma-separated an answer does not exist, enter DNE.) x = 2, (b) On what interval(s) is f increasing? On what interval(s) is f decreasing? (Enter your answer using inte notation. If an answer does not exist, enter DNE.) Increasing: Decreasing: (c) At what values of x does f a relative maximum value? A relative minimum value? (Enter your answers comma-separated list. If an answer does not exist, enter DNE.) f has a relative maximum value at x = f has a relative minimum value at x = Submit Answer Viewing Saved Work Revert to Last Response