Question License

Question ID 147016 (Universal ID 1501626128412202)

This question was written by de Vries,Spencer, mb Lippman,David, derived from work by de Vries,Spencer; Day,Alyson; Morales,Lawrence. 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