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4 marks, −1MathematicsConcavity, convexity and quasi-concavityTesting concavity and convexityModerateabout 1 min
CUET-PG 2023 Shift 2 Question 47: Concavity, convexity and quasi-concavity
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The function e^(-1/2x²) is: (A) convex for |x|<1 and concave for |x|>1 (B) concave for |x|<1 and convex for |x|>1 (C) convex everywhere (D) concave everywhere
Also written as: The function e^(-1/2x^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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Question from the CUET-PG 2023 Shift 2 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.