SOLUTION: In most businesses, increasing prices of their product can have a negative effect on the number of customers of the business. A bus company in a small town has an average number of

Question 45541This question is from textbook College Algebra
: In most businesses, increasing prices of their product can have a negative effect on the number of customers of the business. A bus company in a small town has an average number of riders of 800 per day. The bus company charges $2.25 for a ride. They conducted a survey of their customers and found that they will lose approximately 40 customers perday for each $.25 increase in fare.
Given the description above, graph the function, identify the graph of the function (line, parabola, hyperbola, or exponential), explain your choice, and give the domain and range as shown in the graph you have drawn, and also the domain and range of the entire function excluding unrealistic values.This question is from textbook College Algebra

Answer by Nate(3500) (Show Source):
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x .. y
2.25 800
2.50 760
2.75 720
3.00 680
This is linear.
This Graph Shows Increases In $0.25 with the fare being originally $2.25(0,800) and (0.25,760)
M = (y2 - y1)/(x2 - x1) = (800 - 760)/(-0.25) = -160
y-intercept = 800

Range: if the bus driver does not decrease the cost ....
Domain: why would the bus driver decrease the price in this case?
*If the graph was about the total price, you would have a parabola