Consider a function f: R2 → R. Suppose, for every p E R², there exists x(p) E R2 such that f(x(p)) 2 1 and p · x(p) < p.y for every y e R2 such that f(y) > 1. Define g : R² → R by g(p) = p.x(p). Then, g is
Consider a function f: R2 → R. Suppose, for every p E R², there exists x(p) E R2 such that f(x(p)) 2 1 and p · x(p) < p.y for every y e R2 such that f(y) > 1. Define g : R² → R by g(p) = p.x(p). Then, g is
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter7: Locus And Concurrence
Section7.CT: Test
Problem 5CT: Describe the locus of points in space that are at a distance of 3 cm from point P....
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The question has been rejected previously. I am not sure if this would help but the correct answer is D concave.
If you cannot provide a proof; please solve using a satisfying example. However, it would be huge help if you could provide a proof. It can definitely be done using the geometric definition of concavity.
I sincerely request you to not reject it again.
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