Answer:
The first one has a rate of change of 7
Step-by-step explanation:
I think it is 7.
I think f(x) is the linear equation.
now 19-12 is 7
26-19 is 7 and so on.
So the rate of change is the slope, y/x
y = 7 and x = 1
so the rate of change is 7/1, or just 7
