Question

The cost of renting a bicycle from dan's bike shop is $2 for 1 hour plus $1 for each additional hour of rental time. which of the following graphs shows the cost, in dollars of renting a bicycle from dans bike shop for 1,2,3, and 4 hours?

Answer 1

the answer is $10 because 123=$6 and 4 hours is =$4 6+4=10