20. The slope field shown below is for the differential equation (2 points) O y' = 2x O y'= 4-2x Oy = y Oy=xty21. Match the slope field with the differential equation. (4 points) a. y'= -x b. y' = sin x 1. c. y' = 1 - y d. y' = y(2 - y) 2. 3.4. 1 22. Use the Trapezoidal Rule with n = 4 to approximate dx . (2 points) (x - 1 0.3326 0.5090 O 0.6651 O 1.01783 23. Find the absolute value of the resulting error if the value of 13:3 the is estimated with 3 inscribed rectangles of equal width. (2 poi nts] 24. The graph of f '{x} is continuous and increasing with an nut-intercept at x = 5' which of the following statements must be true? {2 points) 0 The graph of f is always concave up_ 0 The graph of f has an inection point at x = 5. O The graph of f has a relative maximum at x = 5. 0 None of these is true. 25. Below is the graph of f '(x), the derivative of u), and has x-intercepts at x = -3, x = 1, and x = 2 There are horizontal tangents at x = -1.5 and x = 1.5. which of the following statements is true? (2 points) 0 fie concave down fromx =1.Stox = 1.5. O fie decreasing from x = -1.5 to x =1.5. O fhas a relative minimum at x = 1. 0 None of these is true