91 3 6+ 4- # Ans: [Vx+ 1 dx Ans: [(x2 +3) doc Find an integral expression equal to Find an integral expression equal to Im = [ ( * * + 2 )"+1 ) ( 2 ). 2 k +3 +1 IN # Vx2 + 1 dor # Ans: 3 Ans: 1 ( * * + 3 ) dox Find a limit expression equal to In(2x-1) dx. Find a limit expression that is equal to the area of the shaded region shown below. Adapted from an activity written by Mark Kiraly, Ryan HS, Denton, Texas