Student provides the correct exponential function for Ben's scenario. 2 Student provides the correct exponential function for Carter's scenario. 2
Graph is complete and accurate, and all three student graphs are shown and labeled correctly. 6
All three predictions are correct for Day 3 and Day 10. 4
Student explains correctly which post travels fastest and provides justification. 2
Student explains correctly how the new graph compares with the original. 2
Student provides complete discussion on which option he or she prefers and justifies his or her answer mathematically.