is this linear??
can you please put a step by step??

Answer:
non-linear
Step-by-step explanation:
if you find out what the numbers in the chart times by, they aren't in order. say this is my chart:
x_____I____Y
1 I 2
2 I 4
4 I 8
___________
The chart I made is linear, because there is a constant rate of change. My chart times by 2.