". Which of the following sentences does not represent a function?
A. Notebooks are sold in a four pack for $20
and a five pack for $25.
B. Shaunette charges $20 for one hour of
babysitting and $40 for two hours.
C. Marcy drove 50 miles in one hour today
and 100 miles in two hours yesterday.
D. Timon chewed six gumballs in two hours
today and six gumballs in three hours
yesterday