ECO 3145 Mathematical Economics I Module 4
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ECO 3145 Mathematical Economics I
Module 4 – Implicit Functions I – single equation
Practice Problems
1. For each equation below (taken from section I of the lecture note), find the derivative yx using the implicit function theorem.
i.) 3x + 4y = 6 , x, y
ii.) x 2 + y2 = 1, x, y [−1,1]
iii.) x 2 + y2 = 1, x (−1,1) , y (0,1)
iv.) ex − ey + xy = 0 , x, y
2. C&W, pp.204-205 #4 – 6, pp. 217-218 #1, 2, 4
2022-06-10