A.2.C.10.19TN
Answer to Problem 19:
The cost will be $3.50. See graph below.
Teacher Notes:
A piecewise function has different rules for different parts of its domain.[1]
[1] Bellmann, A., Bragg, S., Charles, R., Handlin, W., & Kennedy, D. (2004). Prentice Hall algebra 2 (p.71) Upper Saddle River, N Y: Pearson Education