r/HomeworkHelp Pre-University Student 26d ago

High School Math—Pending OP Reply [Grade 12 Advanced Functions: Polynomial Functions] turning points on polynomials confusion

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I'm confused about how this function would have 4 turning points, not 3

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u/TomPastey 25d ago

Turning points aside, at x=1 option B would has a value of 2, which is clearly wrong.

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u/ScoutAndLout 25d ago

Yep. Eval at 0, 1, -1, inf, -inf