When doing this problem I get a different answer each time. Here is the directions on how to solve the problem: Use the given pair of functions to find and simplify expressions for the following functions and state the domain of each using interval notation.The #2 is an exponent but I don't know how to type exponents on the computer. Please assist.

f(x) = x 2 x + 1, g(x) = 3x 5