Work Step by Step
Let c be the critical point. This implies f'(c)=0 or f is not differentiable at c. Since this function is a polynomial function, it is differentiable everywhere. Now, let f'(c) be 0. That is, 2c-2 = 0. ⇒ 2c= 2 ⇒ c= 1.
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.