Which of the following is NOT CORRECT?
Tap an option to check your answer.
1 mark, −0.333MathematicsConcavity, convexity and quasi-concavityQuasi-concavity and quasi-convexityEasyabout 1 min
IIT JAM 2023 Question 4: Concavity, convexity and quasi-concavity
Answer and worked solution
Checking your account…
Concavity, convexity and quasi-concavity has come up 39 times in 6 exams since 2006.
What this question tests
This question is on Quasi-concavity and quasi-convexity, part of Concavity, convexity and quasi-concavity in Mathematics.
The weaker shape conditions defined by upper or lower level sets.
TestStop has 8 past-paper questions on this subtopic; the nearest in year are below.
Similar questions from other papers
- Which of the following statements is not correct?
- Let S₁ = {(x,y) ∈ R²: x + y ≥ 1, x + y ≤ 2, y ≥ x², x,y ≥ 0} and S₂ = {(x,y) ∈ R²: x + y ≥ 1, x + y ≤ 2, y ≤ x², x,y ≥ 0}. Then, which of the following is CORRECT?
- A function is strictly concave in the interval I, if for all a, b ∈ I and λ ∈ (0, 1) 1. f[(1-λ)a + λ b] > (1-λ)f(a) + λ f(b) 2. f[(1-λ)a + λ b] < (1-λ)f(a) + λ f(b) 3.
- The function e^(-1/2x²) is:
- Match List I (sign of first and second derivatives) with List II (shape of the curve). List I A. f'(x) > 0 and f''(x) > 0 B. f'(x) > 0 and f''(x) 0. List II I. increas
Question from the IIT JAM 2023 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.