Write an Exponential Growth or Decay Function y=a(1+r)^t

In this video we go through 3 word/story problems involving writing and solving an exponential growth or decay function. We discuss how to identify the initial amount, rate of growth or decay, and the time.

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[RockLuedeke]

Can you explain this in a mario impression since your name is Mario it would also make it more fun

[atreussonofhippodamia]

You got any ones that you have to solve for x as an exponent and turn it into a Log form?

[Rebel]

How do you get 152.5 pond lillies from 40(1.25)6? I have completely and totally forgotten everything from math class 20 years ago. Talk to me like I'm ten years old please.

[UmOmar-hk]

Can you explain the formula? Why does it look like that?

[mzdiedraf]

How do you know what goes where in the equation?

[Yukio]

for the pond Lilly question y did you round 152.59

[kookookel]

I am needing an explanation for an increase every 3 years not annually. I have not been able to find one anywhere.