Regression Models Answers

The table shows the population of a small town over time. The function P = 10,550(1.1)x models the population x years after the year 2000.

Janna is making a prediction of the frequency of a key that is 12 keys from middle C.

The data in the table compares x, the number of pages in a chapter, to y, the amount of time, in minutes, spent reading. The function y = 0.86x – 0.09 models the data in the table.

The table shows the relationship between time spent running and distance traveled.

Company A: A 2-column table with 5 rows. The first column is labeled hours with entries 5, 12, 20, 29, 42. The second column is labeled earnings (dollar sign) with entries 340, 404, 460, 530, 630. Company B: A 2-column table with 5 rows. The first column is labeled hours with entries 4, 9, 20, 32, 39. The second column is labeled earnings (dollar sign) with entries 125, 234, 450, 668, 828.

The quadratic regression graphed on the coordinate grid represents the height of a road surface x meters from the center of the road.

The table shows the estimated number of bees, y, in a hive x days after a pesticide is released near the hive.

The function f(t) = 349.2(0.98)t models the relationship between t, the time an oven spends cooling and the temperature of the oven.

The data in the table represents a company’s profit based on the number of items produced.

The table compares x, the number of minutes of television Sam watched each day, to y, the number of minutes she spent exercising. The function y = –0.78x + 95 models the data in the table.