Answer:

Step-by-step explanation:
Let
x------> the number of days
y----> the cost of renting a car
we know that
For 

For 
The rate is equal to

so

In this problem. the car has been rented for more than a week
therefore

The cost of renting a car is equal to

Y=5x+11 using the point-slope formula and simplifying
I say its 11. Since the distance between the two points is 11.
thanks so much for the points