The following table shows the distance from the bus stop as a function of time:
Time (in minutes)
x Distance (in meters)
f(x)
0 45
3 40
6 35
9 30
12 25
Find and interpret the meaning of the x-intercept in this scenario.
 a
(45, 0); the distance away from the bus stop
 b
(27, 0); the time it takes to reach the bus stop
 c
(45, 0); the time it takes to reach the bus stop
 d
(27, 0); the distance away from the bus stop