Question License

Question ID 1356292 (Universal ID 1712000396920972)

This question was written by Ye,Fei, derived from work by Melton,Ryan; Devlin,Deborah; Diaz,Darlene; Wallace,Tyler. This work is licensed under the IMathAS Community License (GPL + CC-BY).
The code that generated this question can be obtained by instructors by requesting an instructor account on MyOpenMath.com.