Evaluate Linear and Exponential Functions

Word Problems:

Find the type of graph (linear or exponential) and solve the problem

A car is traveling along a highway at a steady rate of 60 mph for 5 hours. What type of graph is this? How many miles did the car travel at 3 hours?

The population of Oxnard is 200,000 and is increasing at a rate of 2.5% each year. Approximately when will the population reach 1 million?