Answer :
Substitute the input (x) numbers for x . Example: y= 5x substitute -3 for X
5 x -3 = -15. So there's your first answer for the first chart.
5 x -3 = -15. So there's your first answer for the first chart.
The first one is -2 because you wanna try to get to the value of k and -2•-3= 5