Find the average value and the value(s) of c guaranteed by the mean value theorem for integrals if (x) = 1+x over the interval [ - 1,2] . O favg= 6 6=1/5 O favg = 2 O favg = 6 6= -/5 and c= 1/5 O favg = 2 = - 1 and ~ = 1Find the total area bounded by the graphs of x) = 3X3 X2 \"10.x\" and gix} = x2+2x . Q 12 units? 0 32 with2 Q 8 {units2 0 24 units