4. Sketch the function /(x) =x 4 3x by using f'(x) = 3(x - 1)(x+ 1) " (x) = 65 You must use the table provided here or any other table to justify sketching. Your work must match with your sketch to receive credit. You must label the graph completely. "(x) I(x) After sketching, answer the questions that follow. a) Find all the intervals on which f decreasing. b) Find all the intervals on which f is concave up. c) Find all the relative extrema and inflection points.+ m/courses/38656/quizzes/206861/take I. Apply the Mean Value Theorem (MVT) to the function / (x) = x - 1 on the interval [-2.3]. What can you conclude? Explain completely