Answer:
The rate of change is 1
Step-by-step explanation:
This is because the slope is x, and -4 is just the y-intercept, which has nothing to do with the slope. Because the slope is x, that means that it is positive 1.
Rate of Change = 1
Rate of Change = Slope = m
y = mx + b
y = (1)x -4
m = 1
