The table shows the number of passes completed by the quarterback, the number of passes caught by a wide receiver, and the temperature during each of four games. Which relation is a function?
Temperature, OF
65
76
70
65
=of completed passes
21
17
16
17
+ of caught passes
2
4
3
2
A. number of completed passes given the number of caught passes
B. number of caught passes given the number of completed passes
C. temperature given the number of completed passes
D. temperature given the number of caught passes