a. It is linear because it has a constant rate of change.

b. It is linear because it does not have a constant rate of change.

c. It is not linear because it has a constant rate of change.

d. It is not linear because it does not have a constant rate of change.

a It is linear because it has a constant rate of changeb It is linear because it does not have a constant rate of changec It is not linear because it has a cons class=