SOLUTION: Let f(x) = 1/(1 + 2/(1 + 3/x). There are three real numbers x that are not in the domain of f(x). What is the sum of those three numbers?

SOLUTION: Let f(x) = 1/(1 + 2/(1 + 3/x). There are three real numbers x that are not in the domain of f(x). What is the sum of those three numbers?

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Question 1204249: Let f(x) = 1/(1 + 2/(1 + 3/x). There are three real numbers x that are not in the domain of f(x). What is the sum of those three numbers?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
..... is in denominator, so

..... is in denominator, so

.... is in denominator, so

domain:
{ element : and and }

interval:
(,) U (,) U (,) U (,)

the sum of those three numbers is:

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