F(d)= 1/x-2, g(x)= 2x+1/x 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.

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11