About 650,000 people live in a circular region with a 6-mile radius. find the population density in people per square mile.

To find the population density we need to divide population by area then live on:


The given number live in a circular place. Area is given by formula:

Where r is radius

Now we have:


The population density is 5747.26 people per square mile.

I'm pretty sure it's b). i try drawing the functions out and b is the one that stands out or isnt a "line"