Find the volume of the solid of revolution formed by rotating about the axis each resion bounded by the given cu1rves. a7 f(x) = 2e ", y = 0, x = -2, x = 1 2 67 f(x) = x, y = 0, x = 1 and x=3 2 C7 f(x) = x, y = 0, x = 0 and X = 4 78(x)=2-x, y=0 (2) Find the average value of each function, on the given interval. a) F(x) = dx-1 [1,13] by f(x) = xnx [1,e] (5) Decide whether the following limits exists. If a limit exists. find its value using the L'Hospital's rule. a> lim ex - 1 X-0 X4 0 lim xe X x10 30-3 ez lim x xx in (in x) 2 by lim xex x70 ex -1 d) lun VX-2 X-4 X-4 f/ lim x + 1 X-700x2ln x lim In (e' + P) I'm (hx) to land inter 700 5X