A. must exist, but there is not enough information to determine its value.
B. is equal to [math]
C. is equal to [math]
D. might not exist.
E. does not exist.
In the answer box below, explain your reasoning for the choice you made above.
Use complete sentences and correct grammar,
spelling, and punctuation. Be specific and
detailed. Write as if you were explaining the
answer to someone else in class.
Your overall score for this problem is