F(x) = -2, 9(2) = 2071 1. Use composition to prove whether or not the functions are inverses of each other.
2. Express the domain of the compositions using interval notation.

Really need on these. i have no idea what to do

The accompanying table shows the numbers of male and female students in a particular country who received bachelor's degrees in business in a recent year. complete parts (a) and (b) below. business degrees nonbusiness degrees total male 189131 634650 823781 female 169539 885329 1054868 total 358670 1519979 1878649 (a) find the probability that a randomly selected student is male, given that the student received a business degree. the probability that a randomly selected student is male, given that the student received a business degree, is nothing. (round to three decimal places as needed.) (b) find the probability that a randomly selected student received a business degree, given that the student is female. the probability that a randomly selected student received a business degree, given that the student is female, is nothing. (round to three decimal places as needed.)

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is