1103163603

SubArea: 
Analyzing function behavior
Level: 
A
Project ID: 
1103163603
Accepted: 
1
Clonable: 
0
Easy: 
1
The graph of f′ is given in the figure. Find the interval where f is an increasing function. (The function f′ is the derivative of the function f.)
(1;2)
(−1;1)
(1;3)
(−1;0)