Chapter Outline
1. Dependent Values
2. Dependency
3. Domain and Range
4. Functions and Not Functions
5. Node Diagram
6. Range Space
7. "Onto" Functions
8. One-to-one
9. Inverse Function
10. One-to-one and Onto
11. Expressions
12. Identity Function
13. Constant Functions
14. Constant Offset
15. Scalar Constant
16. Scalar and Offset
17. Linear Expressions
18. Inverted Slope
19. In Perspective
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