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Appendix 1
How to Read Graphs
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Six Possible Pairs of Food-
Machines Production Levels
T-6
Figure 1A-1
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A Production-Possibility Frontier
T-7
Figure 1A-2
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Calculation of Slope
for Straight Lines
T-8
Figure 1A-3
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Steepness is not the Same as Slope
T-9
Figure 1A-4
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Tangent as Slope of Curved Line
T-10
Figure 1A-5
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Different Slopes
of Nonlinear Curves
T-11
Figure 1A-6
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Shift of Curves
Versus Movement Along Curves
T-12
Figure 1A-7
McGraw-Hill/Irwin Copyright ? 2001 The McGraw-Hill Companies,Inc,All rights reserved,
Scatter Diagram of Consumption Function
Shows Important Macroeconomic Law
T-13
Figure 1A-8