Pls can somebody answer this fast!?

What is the inverse of the function f(x) = 2x + 1?

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

Ataxi company charges $2.25 for the first mile and then $0.20 per mile for each additional mile, or f = $2.25 + $0.20(m - 1) where f is the fare and m is the number of miles. if juan's taxi fare was $6.05, how many miles did he travel in the taxi? if juan's taxi fare was 7.65, how many miles did he travel in taxi