1-63. The District of Columbia has a very high population density. There are 646,449
people in 68.3 square miles.
a.
Calculate the unit rate in terms of people per square mile for the District of
Columbia. Make sure the precision of your answer is reasonable.
b.
Alaska is 570,374 square miles in area. If Alaska had the same population
density as the District of Columbia, how many people would live in Alaska?
1-71. If for a certain function, f(x) = 9, find the following values.
a.
f(x) + 3
b.
2f(x)
c.
2f(x) + 3