1 (8 points). Find the equation of the tangent line to the graph of y = 1+ 24 1+ 76 at (-1, 1). Answer: Bearch or type URL 5 6 R T Y U O P F G H J K L V B N M command option7 (12 points). Find the critical points of f(r) = z + 4x - 81 and use the second deivative test to classify the critical points into relative maxima and relative minima. Answer: G h or type URL + of 10 O ZOOM 2 (10 points). The consumption function of a certain country is 1000VI + 801 -0.8 VI where I is the national income in billions of dollars. Find the marginal propensity to save when I = 3600. Give your answer to the nearest hundredth. Answer: DEC 3 G G Search or type URL + % & 5 6 7 8 9 T Y U O P G H C K LMATH 1131 Final Exam (sample), p. 4 6 (10 points). Find {ring } using logarithmic differentiation. You need not simplify your answer. Answer DEC G 3 + Search or type URL * o & O T Y U O PPage 3 of 10 O 4. Find the derivative of the function. You need not simplify your answer. (i) (6 points) 2" + 12 + Te Answer: (ii) (6 points) (x3 - 3x2 + 62) 13 Answer: (iii) (6 points) In(1 + x2) Answer: (iv) (6 points) et Answer: (v) (12 points) (z* + 1)5(25 + 1)4 Answer: atv earch or type URL + APage 4 of 10 5 (10 points). Find di d.x4 V-13 Simplify your answer as much as possible. Answer: JOVER ) 51 arch or type URL +