Data on the average annual household use of electricity in kilowatt-hours are listed in the following table. Use any two data points to model the data with a linear function and predict the average annual household electricity use in 2020.
Year, x | Annual Electricity Use (in kilowatt-hours)
2011, 0 | 11,504
2012, 1 | 11,285
2013, 2 | 10,847
A linear function that models the data is y =
(Type your answer in slope-intercept form. Round to the nearest integer as needed.)
The average annual household electricity use in 2020 is kilowatt-hours.
(Round to the nearest integer as needed.)
Enter your answer in each of the answer boxes.