b g (b) Use the Substitution Formula, f(g(x)) . g'(x) dx = - f(u) du where g(x) = u, to evaluate the a following integral. g(a) ex dx 1+ p2x - In 3 . . . ex dx 1 + p2x 13 - In 3Find the total area of the shaded region. The total area of the shaded region is E (Type an exact answer, using 1: as neededJ Find the total area of the shaded regions. The area is . . . (Simplify your answer.) + ( - 2,4 ) 4- (2,4) 2- y = X - 3x- X -4 -2 N -2-Find the area of the shaded region on the right. The area is D. (Simplify your answer.)