# Applied Calc Derivatives RQ28(2)

**Question description**

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.

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