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,