The graph of the derivative f \' of a continuous function f is shown below. http

Question

The graph of the derivative f ' of a continuous function f is shown below.

http://i36.tinypic.com/2d7btaf.gif


(a) On what interval(s) is f increasing? (Select all that apply.)
(0, 1)
(0, 2)
(1, 6)
(5, 7)
(6, 8)
(7, 9)
(8, 9)
none of these


On what interval(s) is f decreasing? (Select all that apply.)
(0, 1)
(0, 2)
(1, 6)
(2, 3)
(3, 5)
(5, 7)
(6, 8)
(7, 9)
(8, 9)
none of these


(b) At what value(s) of x does f have a local maximum? (Select all that apply.)
0
1
2
3
5
6
7
8
none of these


At what value(s) of x does f have a local minimum? (Select all that apply.)
0
1
2
3
5
6
7
8
none of these

Explanation / Answer

(0, 2) (3, 5) (7, 9) ] (2, 3) (5, 7) 0 , 6 1,8

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