Explain How the Vertical-Line Test wo
Explain why a graph that fails the vertical-line test
does not represent a function. Be sure to use the
definition of function in your answer.

Which equation can be simplified to find the inverse of y = 2x2?

Use the distributive property -7(-2x+u-2)

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