The table below shows the cost, $C(m)$, of a taxi ride as a function of the number of miles, $m$, traveled.
(a) Estimate $C(2.50)$.
$C(2.50) =$ help (numbers)

Which of the statements best explains the meaning of $C(2.50)$?
A. Taking a taxi ride for 2.50 miles.
B. The cost of traveling 2.50 miles in a taxi.
C. The number of miles that can be traveled for 2.50 dollars.
D. None of the above

(b) Assume that $C$ is invertible. Estimate $C^{-1}(18.62)$.
$C^{-1}(18.62) =$ help (numbers)

Which of the statements best explains the meaning of $C^{-1}(18.62)$?
A. The cost of traveling 18.62 miles in a taxi.
B. Taking a taxi ride for 18.62 miles.
C. The number of miles that can be traveled for 18.62 dollars.
D. None of the above