Constant rate of change?

no not all of them.

step-by-step explanation:

some of them have a square base.

answer: since the question is talking about growth you have to use the growth formula which is inital amount (1 + growth)^time

step-by-step explanation:

the intial amount is 1200, the growth is 4.8, and the time is 7. plug those numbers into the equation, also i think you have to change 4.8 into a percent. but, i have forgotton how to do that. if this is a online class go on to the lesson.

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value