The table shows the amount of money remaining on a $50 gift card after buying x cups of coffee. Which equation represents the amount remaining, A(x) as a function of x, the number of cups of coffee bought?
Cups of coffee (x) Amount of $ remaining
()
50
46
38
9
32
0
2
6
O A(x) = 2x + 50
A(x) = -4x + 50
Alx) = -6x + 50
o A(x) = -2x + 50