How do i solve #3 and #4?

3. Sketch a graph of a function that satisfies the following conditions: f' (x) > 0 when x 4 . f(0) = 5 . f'(-2) = 0 and f' (4) = 0 f"(x) 0 when - 2 9 A 4. Complete each statement: a) The points of inflection are found by solving the equal to zero. b) The local extrema are found by solving the equal to zero