Applied Calc Derivatives RQ28(2)

Which of the following could be the graph of a function 
f with the following properties: 

∙f(x) has critical points at 
x=1 and 
x=3; 

∙f′(x) is positive to the left of 
x=1 and negative to the right of 
x=3; 

∙f′(x) is positive between 
x=1 and 
x=3.