Chapter 4 Review Answers:
3. y = 1/2 x + 1/2
4. y = 2x + 10
9. y = x + 3
10. y = -3x - 13
13. a. y = -17/5 x + 442/5 OR y = -3.4x + 88.4
13. b. $37.50
16. inverse of f(x) = 6x + 12