2 3. Find the arc length of the curve y = x3/2 + 2 over the interval [1, 8] 3 (y2 + 2)3/2 4. Find the length of the curve x = 3 fromy=0toy=3 5. Find the area of the surface generated by revolving about the x-axis the curve f(x) = 2\\/l x on [1, 0]. . 1 6. Find the area of the surface generated by revolving about the x-ax1s the curve y = E x3 on [0M5]