Using a linear function, it is found that Company D would have given you the best deal for 7 hours of moving.
A linear function is modeled by:
y = mx + b
In which:
In this problem, we consider:
Hence the costs for x hours of moving from each company are given as follows:
For 7 hours, the costs are given as follows:
Due to the lower cost, Company D would have given you the best deal for 7 hours of moving.
More can be learned about linear functions at https://brainly.com/question/24808124
#SPJ1