Please check photo and help me answer question.

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Answer:
Step-by-step explanation:
There is nothing to indicate the graph is not of a polynomial function. Its zeros are the x=intercepts: -2, 3, 5. There are 3 of them, so that is the least degree the polynomial might have.
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Additional comment
The curve is consistent with the graph of ...
y = (1/12)(x +2)(x -3)(x -5)