Question

A scatter Plot was made to show the number of homes in a town based on the year. The line of best fit drawn on the graph is y = 84x + 625 where x is the number of years since 1995 and y is the total number of homes in the town.

Predict the number of homes in the town in 2015

Answer 1

2305

Explanation:

The year 2015 is 20 years past the year 1995. Therefore, we take the number of years past 1995 to be x, where x starts at 0 and increases for, say, 20 years or so (the domain is not infinite).

Then, the number of home in the town in 2015 is likely to be in the range

y = 84(20) + 625 = 2305