Given the following data points, calculate the curve of best fit. Show all steps. x y
-2 21
-1 8.6
1 1
2 1
3 5
4 14.3

Acable company claims that the average household pays $78 a month for a basic cable plan, but it could differ by as much as $20. write an absolute value inequality to determine the range of basic cable plan costs with this cable company. a. |x − 78| ≥ 20 b. |x − 20| ≥ 78 c. |x − 20| ≤ 78 d. |x − 78| ≤ 20