The noise level, N, of a sound in decibels is given by
N=f(I)= 10log(I/I0) <---the 0 in the (I/I0) is a sub 0
where I is the intensity of the sound and I0 (sub 0) is a constant.
Find and interpret f-1(N) the inverse
I don't know how to even go about doing this??