4. The following table shows the cost of renting a full-size rental car, based on the
number of miles driven.
a. Explain why a linear equation is appropriate for
this relationship.
Distance driven Total cost
(in miles)
0
$68.97
50
$88.47
100 l $107.97
$127.47
200
$146.97
150
b. Find the slope of the line and explain what it means.
c. Find the y-intercept and explain what it means.
d. Write the equation of the line.
e. I'm trying to decide whether I can afford to rent a full-size car to drive to
St. Louis, which is about 180 miles away. How much would that cost for a
one-way trip? How much would it cost for a round trip of 360 miles?