Q20. If f(x) is an even, positive function, what is the sign of its average value over a symmetric interval [-a, a] where a > 0?Mathematics — Sets, Functions and Groups — Question 20 of 232A. PositiveB. NegativeC. Positive or NegativeD. ZeroPractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →