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February 18th, 2019, 06:32 PM   #1
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Exclamation Second Derivative Test Problem 2

Let f be a twice differentiable function,and let f(1)=-7, f'(1)=0, and f''(1)=-2.
What occurs in the graph of f at the point (1,−7)?

I believe the answer is that (1,-7) has a maximum point judging by the second derivative shown above. Am I correct?

Last edited by skipjack; February 18th, 2019 at 06:56 PM.
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February 18th, 2019, 06:58 PM   #2
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Yes, (1, -7) is a local maximum point.
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February 18th, 2019, 07:02 PM   #3
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Yes, (1, -7) is a local maximum point.
Thank you, I was once struggling this new course, but thanks to people like you, I can actually learn what I did right or wrong without having to pay for it online. By the way,does this website have a youtube channel by any chance?
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February 19th, 2019, 05:22 PM   #4
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No.
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