3. The graph of a function f(x) is shown below: 01 (i) (ii) Give the x-values where the derivative is zero. Give the intervals where f(x) is increasing. (iii) Give the intervals where f(x) is decreasing. (iv) (v) Give the x-values where f(x) has inflection points. Give the intervals where f(x) is concave up. (vi) Give the intervals where f(x) is concave down. (vii) Sketch the graph of the derivative function f'(x).