An example would be using points
(0,0)(1,2)(7,14)(10,20)
it is a function because each input has only one input.
or
using the vertical line test none of the points are on the same line
Your answer to this problem is 15
10 + 2 - 15 / 3 = 7
Hope it helped :)
-45 + 150 = 105
Carol has $105 in her account after receiving her paycheck.
