Which table represents a linear function?

Answer:
C.
Step-by-step explanation:
1 -3
2 -5
3 -7
4 -9
Because it has a constant slope it is increasing x by 1 and decreasing y by -2.
Slope: -2/1 or -2x
Answer:
I think its the first table.
Step-by-step explanation:
My reasoning behind this is because all of the Y values are being multiplied by 2 each times.