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Idealist
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Find all points of inflection: f(x)=(1/12)x^42x^2+15. I know that f"(x)=x^24 but what to do after that? Is (2, 0), (2, 0) the answer?
 one year ago
 one year ago
Idealist Group Title
Find all points of inflection: f(x)=(1/12)x^42x^2+15. I know that f"(x)=x^24 but what to do after that? Is (2, 0), (2, 0) the answer?
 one year ago
 one year ago

This Question is Closed

sirm3d Group TitleBest ResponseYou've already chosen the best response.1
to get the xcoordinate of the point of inflection, set the 2nd derivative to zero, and solve x. whatever x you get, sub it in f(x) to give you the ycoordinate.
 one year ago

Idealist Group TitleBest ResponseYou've already chosen the best response.0
Thank you.
 one year ago
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