1. What is the area between the curves y = -x3 and y = -x4 ? O 20 O 40 O O CT / - 2. What is the area between the curves y = x2 and y = 23? O Co/ N O T O | H O O col -3. Which of the following integrals correctly describes the area enclosed by the functions f (x) = ex, g(a) = x2, y = 0 and x = -2, given that f (x) and g(x) intersect at the point (21, y1)? Of2 [2 - e] dac Of" [- Vy - In(y)] dy O S, [ex - 22] dac Ofher da + . x2 dac Of" [vy + 2] dy + Sez [vy- In(y)] dy 4. Find the area of the region enclosed by the functions f (a) = (2 - 1)2, g(a) = x2, and the x-axis. O 12 O O O 12 O 242 5. Find the area of the region enclosed by the functions 3 = 3\" andy=3:c. 4 0% 036 0% 0e 01% 6. What is the area between the curves 3; : :1:2 and y : $ ? 7. What is the area between the curve y = 9:4 + 3 and the xaxis from a: : 0 to a: : 1 (as a decimal)