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So I just input random numbers?

yes, but a must be positive, and b>1

natural numbers are: 1 , 2, 3, 4, 5, 6, 7, etc....

I'm still kind of stuck.

try to put random values for a and b (once)

Would y=10, a=5, b=2, x=2 work?

you don't need to plug in anything for x and y.

So you created a function:
\(\large\color{black}{ \displaystyle y=5(2)^x }\)

Now lets explain to Iris (:O) what is what....

Ok... so how would I explain it?

Y= Number of snails
a=Initial populationâ‹…
b=growth rate
x=number of years
?

Ok, will you agree that the initial population is at year zero, or in other words when x=0?

Ok. So that would mean a = 0?

When x = 0

See why the initial/principal population (when x=0) is (equivalent to) 5 (snails) ?

So there was no increase?

Oh ok. I get it now. So what would be the starting number? And how would I explain my function?

I will be gone. tag someone else.
(I am constructing my basement and bath)

sorry

Ok thanks for helping.