Answer the following questions for the function f(x)=xsqrt(x^2+1) defined on the interval[4,4] Use interval notation . f(x)is concave down on the…’

nAnswer the following questions for the function f(x)=xsqrt(x^2+1)defined on the interval[xe2x88x924,4] Use .A.xc2xa0f(x)xc2xa0is concave down on the intervalxc2xa0xc2xa0B.xc2xa0f(x) is concave up on the intervalxc2xa0xc2xa0C.xc2xa0The inflection point for this function is atxc2xa0xc2xa0D.xc2xa0The minimum for this function occurs atxc2xa0xc2xa0E.xc2xa0The maximum for this function occurs atxc2xa0 ‘