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Analyzing Functions in Context

Analyzing Functions in Context 1.12 - Solution

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a

We can make a table by choosing arbitrary values and calculate their corresponding values by using the given function.

b

Let's plot the points we have calculated in Part A in a coordinate plane and connect them with a straight line.

c

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.

d

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.