Answer: Brand B is
Explanation
(Brand A)24 diapers is 0.29¢ per diaper
(Brand B) 50 diapers is 0.27¢ per diaper
They are periodic functions with a period of 2π. The domain of each function is (−∞,∞) and the range is [−1,1]
X=3/2 because there is no y which would make the line parallel to the y axis so the equation would be x=a
