the inches of rainfall on mount waiale on Kauai in Hawaii is represented by the function f(x)=3^x+1-22 scientist are useing equations to study rain fall from year to year​.

Calculate how much rainfall there was in year four and In year nine. You must show all of your work and calculate.

Someone please help me answer this

2 answers

f(4) = 3^5 -22
f(9) = 3^10 - 22

I suspect a typo, sine that's a LOT of rainfall. It triples every year.
What do you mean a typo? I typed the question as I was given. Not sure if just maybe you had it wrong