19. Which transformation reflects a figure across the y-axis? A (X. y) (-x, y)
B (x. y) - (-X. -Y)
C (x, y) - (-Y. x)
D (x. y) - (y, -x)

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