The graph does not show a polynomial function because it has a discontinuity between x = 1 and x = 2. Any polynomial function is continuous everywhere.
Do you have any questions about this problem? What is the reason that you are not satisfied with the anwer?
It said it was wrong and the limit i can put in an answer is twice before it makes me go to next question.
The graph cannot represent a polynomial function because it has a discontinuity. Any polynomial function is continuous everywhere. I suggest that you try to contact your instructor and explain your answer. Maybe the problem is with the computer.
I bet that is what is happening!
You may find an illustration to your case, for example, on the webpage http://www.themathpage.com/aCalc/continuous-function.htm
The function on your picture may be piecewise polynomial, that is, f(x) = P(x) for x< a ~ 1.7; f(x) = Q(x) for x>=a, where P and Q are two different polynomials.
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