Use the sign diagram for to determine all critical values of f (x), where and .
C) and

Question

Use the sign diagram for  to determine all critical values of f (x), where  and  . 
C) and

Quizplus · Accepted Answer

From the sign diagram, we can see that the function changes sign at the zeros of the function, which correspond to the critical values. Therefore, there are two critical values: one between -2 and -1, and another between 0 and 1. These correspond to the choices in option C. Option A and B are not critical values of the function, and options D and E are not even included in the given choices.

Use the Sign Diagram for to Determine All Critical