Solve the problems accurately. Show your solution

find the domain of the following rational function. write them in the form p(x) q(x) for polynomial functions p and q and simplify.

a. g(x)= 2 - 3
—
x+1


b.h(x)= 2x²-1 3x-1
____ - ___
x²-1 x²-1

c.r(x)= 2x²-1 3x-2
____ ÷ ___
x²-1 x²-1​