{3] 1. Sketch the graph of a function with the following properties. The graph is increasing when x c. 2 and when 2 a: x a: 4. The graph is decreasing when x :=- 4. f'EZ) = i},f'(4) = {J The graph is concave clown when x c: 2 and when 2 c: x s: 15. The graph is concave up when 2 c\". x c: 2 and when x r:- 6. ..r .- ... I . . . .i-ru. n'L r; x I x