(7) For What values of a and b does the following limit hold: lim(e+am+ b ) w>2 m24m+4 332 _ [8) A farmer wants to fence in an area of 1.5 million square feet in a rectangular eld and then divide it in half with a fence parallel to one of the sides of the rectangle. How can he do this so as to minimize the cost of the fence? [9) Determine a region whose area is equal to the given limit and express this as an integral. Use the Fundamental Theorem of Calculus to evaluate the integral. (a) lim 27.11 1 cos (E) n>oo \"- 4n 4n (b) 3320 23221 %(W) [10) Use the denition of the integral as the limit of a Riemann sum to compute the integral I: at + 33320139 11) What is the derivative of f (3:) = 933 sin(cos(7m + $132 + 2))