A bus company wanted to know if the number of complaints they received was a function of the number of buses it ran. The company carried out a study comparing the average number of buses per hour for different days and the number of complaints that it received on those days. A line was fit to the data to model the relationship. 1
1
2
2
3
3
4
4
5
5
6
6
7
7
10
10
20
20
30
30
40
40
50
50Number of complaintsAvg. # of buses per hour
Which of these linear equations best describes the given model?
Choose 1
Choose 1

(Choice A)
A
y
^
=
−
2
5
x
+
42
y
^
​
=−
5
2
​
x+42y, with, hat, on top, equals, minus, start fraction, 2, divided by, 5, end fraction, x, plus, 42

(Choice B)
B
y
^
=
−
x
+
42
y
^
​
=−x+42y, with, hat, on top, equals, minus, x, plus, 42

(Choice C)
C
y
^
=
−
4
x
+
42
y
^
​
=−4x+42y, with, hat, on top, equals, minus, 4, x, plus, 42
Based on this equation, estimate the number of complaints in a day where the average is
3.5
3.53, point, 5 buses per hour.
complaints