Marginal Cost and Tutorial Chapter
ECO2IQA 2010 Chapter 2 Solutions
Note: The page numbers are the page numbers of the original Wisniewski text.
1. Co-ordinate system. Determine which quadrant the following points are in: a. b. c. d. (x, y) = (-2, 2) (x, y) = (2, -2) (x, y) = ((-1)2, 2) = (1, 2) (x, y) = (2-1, 2) = (1/2, 2)
y
2.5
Coordinates (x, y)
(2-1, 2) ((-1)2, 2)
(-2, 2)
2 1.5 1 0.5
x
-2.5 -2 -1.5 -1 -0.5 -0.5 -1 -1.5 0.5 1 1.5 2 2.5
(2, -2)
-2 -2.5
2. Functions a. Graph y = |x|. (The bar symbols...
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