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Use the information below to answer THREE questions, Function F(X)=(X-10)*(X-12)*(X-16)*(X-18)*(X-20) is plotted below, and we setup the excel (screenshot) as below. 400 300 200 100 0 A. DO 8 9 10 11 12 13 14 15 16 17 18 19 20 21 -100 -200 -300 -400 -500 Q: The function F(X) here is o both a convex and a concave function neither a convex nor a concave function. O a concave function O a convex function