38,705 views
43 votes
43 votes
Find the domain of fg. f(x) = x2 +1 g(x) = 1/x a. all real numbers c. all real numbers, except -1 b. all real numbers, except 0 d. all real numbers, except 1

User Temima
by
2.7k points

1 Answer

15 votes
15 votes
fg=f(x)g(x)=(x²+1)/x
The function fg is not defined if the denominator = 0 which means x can’t be 0
So B is the right answer to this question
User Danila Vershinin
by
2.8k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.