SOLUTION: You need to rent a car and compare the charges of three different companies. Company A charges 20 cents per mile plus $20 per day. Company B charges 10 cents per mile plus $35 pe

Question 787199: You need to rent a car and compare the charges of three different companies. Company A charges 20 cents per mile plus $20 per day.
Company B charges 10 cents per mile plus $35 per day.
Company C charges $70 per day with no mileage charge.
a) Find formulas for the cost of driving cars rented for each company in terms of x, the distance driven in miles in one day.
b)Graph the costs for each company for 0 less than or equal to x less than equal to 500. Put all graphs on same set of axes.

a)I have been trying to figure out the formulas for this problem but I am not quite sure as to if I am correct or not.
For Company A, I got y=.20x+20
For Company B, I got y=.10x+35
For Company C, I got y=70x
b) I also tried to graph the equations on the same set of axes, but they did not seem to fit onto one set of axes. Is it because my formulas are incorrect?
If someone could help me as soon as possible, I would appreciate it.
Thank you.

Answer by psbhowmick(878) (Show Source): You can put this solution on YOUR website!
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