Posted by **Stacy** on Thursday, October 8, 2009 at 12:17pm.

A table of the U.S. population in millions indicated in 1960 the population was 181 million, in 1970 the population was 205 million, in 1980 the population was 228 million, and in 1990, the population was 250 million.

Describe the context behind how the functions are being used. Identify the domain and range of each function you found. Include any charts or graphs that will help explain the functions you found.

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