Answer:
grams cause its is really small
So u will need to pay 47.96 without tax, tax it gonna be 3.59 , so with tax you will have to pay $51.55
It's not a function because 4 and 1 has 2 images in y so there's no range but the domain = {4,1,0}
2.2 and 2.3 SO Take 2/5 and that what you get