Final answer:
To find g(x) given f(x) and f(g(x)), we can perform the composition of functions by substituting the expression for f(x) into f(g(x)) and solving for g(x).
Step-by-step explanation:
To find g(x) given f(x) and f(g(x)), we can perform the composition of functions. This involves substituting the expression for f(x) into f(g(x)) and solving for g(x).