Regression Models Answers

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

The table shows the value of an account x years after the account was opened.

Marta’s mother shared a funny video of their cat on the Internet. The total number of people who had viewed the video over the first 30 days could be modeled using the function f(x) = 33(1.3)x where x is the number of days the video has been online.

The table shows the wavelength of the sound produced by keys on a piano x keys away from the A above middle C.

The graph shows the data points in the table and the exponential regression model associated with the data. Based on the graph of the regression model, which is true?

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.

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

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

Jessica plots the data points relating the amount of money she needs to repay a loan and the number of months she has been making payments. She calculates two regression models. Which is true?

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.