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.

The answer is C aka y = -4x + 42 and the number of complaints are  28!

Step-by-step explanation:

I hope this helped, I did the same test and I'm sorry if its wrong :(

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square