Help

Well......not too much to this

f(x) = 3 ( 1.023)^x

It is growth because   1.023  is > 1

I answered this question already...

My example was $f(x) = 2^x$. It is exponential because $y$ never equals 0, and $x$  and $y$ can be infinitely large. 

Hope this helps,

- PM