Respuesta :

AL2006
That formula means $500, earning 3% interest, compounded at the end of each year, for ' x ' years.
bayleecase2002
Hey there! 

The answer should be $500
because in the equation f(x) = P (1+r/n)^nt
P = the principal amount of money invested
And in the given equation P = 500

Hope this helps :)