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1 markMathematicsConcavity, convexity and quasi-concavityTesting concavity and convexityEasyabout 1 min
JNU SSS 2016 Question 18: Concavity, convexity and quasi-concavity
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The function f(x) = x² is (A) strictly convex (B) strictly concave (C) convex when x < 0 and concave when x > 0 (D) None of the above
Also written as: The function f(x) = x^2 is
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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