Josh has 22 1/2 acres of land he is selling 1/4 acre lots how many lots does josh have to sell (show your work)

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible