Question

A. In 1980, the median age of the U.S. population was 30.0; in 2000, the median age was 35.3.

According to your model in #A2, what should the median age have been in 1860? Round to one decimal place.

The model in #A2 is a=30=2.65t.

For context, here is question #A2 that I got correct. In 1980, the median age of the U.S. population was 30.0; in 2000, the median age was 35.3.

2. Create an explicit linear equation to model the change in median age over time. Use tt for time (measured in decades since 1980) and aa for median age (measured in years).

This was my answer to #A2 here a=30+2.65t .

For more context, one question asked what the median age would be in 1970 and the answer was 27.4.

Answer 1