Let us consider the function

f(x)=x⁴+2x³36x²+x+110

a) Findregions where the function is concave up or concave down.Fortype -100, for+ type 100.

fis concave up on( , )( ,)

fis concave down on( , )

b) There are two inflection points(x,y. Identify both of them. Just typex and yvalues, do not use parentheses. Order them so thatx is in ascending order.

1. ( , )
2. ( , )