We can make a table by choosing arbitrary values and calculate their corresponding values by using the given function.
Let's plot the points we have calculated in Part A in a coordinate plane and connect them with a straight line.
To find the number of people who attended the concert in Philadelphia, where million people live, we look up the corresponding -value to using the graph.
The number of people that saw the concert in Philadelphia is about million.
The domain of the function is all whole numbers. This is because the population in a city cannot be negative and it can not be a fraction. But would it make sense for a city have a population of Well, there are ghost towns that have a population of Therefore, we should include even though it is unlikely that SR-71 would give a show in one.