Find the constant of proportionality k as a fraction in simplest form. Then enter an equation for the relationship between x and y. x 8 16 24 32 y 2 4 6 8 The constant of proportionality, k is equal to The equation is y =

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