Question License

Question ID 142835 (Universal ID 1495689930496069)

This question was written by Day,Alyson, mb Masters,Math, mb Berwald,Giselle, derived from work by Day,Alyson; Reidel,Jessica. 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.