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Questions › JNU › JNU SIS 2016 › Q2
2 marks, −1Mathematics › Concavity, convexity and quasi-concavity › Testing concavity and convexityHardabout 3 min

JNU SIS 2016 Question 2: Concavity, convexity and quasi-concavity

Identify the inflection points for the following function :

f(x)=x(6−x)2/3f(x) = x(6 - x)^{2/3}f(x)=x(6−x)2/3

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Identify the inflection points for the following function: f(x) = x(6 - x)^(2/3) (A) 3·6 and 6 (B) 3·6 and 7·2 (C) 6 and 7·2 (D) Only 3·6

Concavity, convexity and quasi-concavity has come up 39 times in 6 exams since 2006.

What this question tests

This question is on Testing concavity and convexity, part of Concavity, convexity and quasi-concavity in Mathematics.

Checking concavity or convexity from a definition, derivatives or operations that preserve it.

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