Tiara's aunt gave her $200 as a high school graduation gift to help her pay for her on-campus meals when she begins college in the fall. Each trip to the dining hall will costTiara $6.50.

The function b(x) = 200 -6.50x represents the remaining balance of Tiara's gift when she makes x trips to the dining hall.

Which of the following is NOT a possible
solution?

a. (4, 174)
b. (13, 115.50)
c. (27, 24.50)
d. (32, -8)