Question
Mathematics for Economy Question on Preliminaries and functions
Which of the following is NOT CORRECT?
A
A quasiconcave function is necessarily a concave function
B
A concave function is necessarily a quasiconcave function
C
A quasiconcave function can also be a quasiconvex function
D
A quasiconcave function can also be a convex function
Answer
A quasiconcave function is necessarily a concave function
Explanation
Solution
The correct option is (A): A quasiconcave function is necessarily a concave function