Exponential Growth and Decay Word Problems

What is the formula for exponential decay?

What is the original amount in the equation $$y=55(1-0.02)^t$$ ?

If Marburn has 80 total students and grows at a rate of 2% every year, how many students will be in 5 years?

What does 't' stand for in the exponential growth formula $$y=a(1+r)^t$$ ?

What is the original amount in the equation $$y=1200(1+0.03)^t$$ ?

What is the formula for exponential growth?

In the context of exponential functions, what does 'r' represent?

How do you calculate the final amount after exponential growth?

What is the difference between exponential growth and exponential decay?

If a population of 1000 grows at a rate of 5% per year, what will be the population after 3 years?