Calculus AB/BC – 5.2 Extreme Value Theorem, Global Versus Local Extrema, and Critical Points

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This lesson follows the Course and Exam Description recommended by College Board for *AP Calculus. On our website, it is found under Calculus Version #1.

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Thank you for a great video! However, I'm kind of confused about the last one? How exactly do we find the critical points? You put the denominator equal to zero and got x= 2 and x=-2 but then you said these are not valid and that the only way to get critical points is when the denominator is 0?

ayshaghanawi
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Thanks for the videos, but I do have one question?

The extremely value theorem says these functions have to be continuous on the interval [a, b], but the first three functions have holes (so not continuous).

So how could we apply the Extreme Value Theorem when we have these holes/not continuous?

MichaelSmith-zmqi
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i dont think i am going to pass this AP exam
A.J.

kamilamohamed
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Thank you for this video! At 9:09 in the second problem, is there an absolute minimum? If not, why? Thanks!

kylelee