Answer:
I'm not sure, it looks like you do k12. Are u in 9th grade Algebra 1?
The discount price will be 0.8X dollars.
Step-by-step explanation:
Given,
Price of an item = X dollars
Discount = 20%
Amount of discount = 20% of Price of item
Amount of discount =
Price of item after discount = Price of item - Amount of discount
Price of item after discount = X-0.2X = 0.8X dollars
The discount price will be 0.8X dollars.
Keywords: discount, subtraction
If the no x-values repeat, yes it is a function so far I see it is a function.
It is domain {6, -6, -12, -1, 5} range {6, -9, - 2, 7, 5}