What is the slope/rate of change between the inputs of 0 and 3?

What is the slope/rate of change between the domain values of 3 and 6?

Is the slope/rate of change constant (not changing/the same)?

Is the function linear?

What is the sloperate of change between the inputs of 0 and 3 What is the sloperate of change between the domain values of 3 and 6 Is the sloperate of change co class=