Which selling method is most likely to irritate potential customers ?

Describe the domain and range of y=2(3)^x-2+5

Ineed to know the answer to this algebra question.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?