HELP W 18, 19,20 SHOW WORK (7thgrademath)

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Interest begins accruing the date of the transaction except for auto loans mortgages credit card cash advances credit card purchases

What is the domain of the given function? {(3,-2), (6, 1), (-1, 4), (5,9), (-4, 0); o {x | x= -4,-1, 3, 5, 6} o {yl y = -2,0, 1,4,9} o {x|x = -4,-2, -1,0, 1, 3, 4, 5, 6, 9} o y y = 4,-2, -1, 0, 1, 3, 4, 5, 6, 9}