35.9k views
3 votes
Rex claims that all functions have a domain of all real numbers. Which of the following graphs can be used to REFUTE this claim?

Rex claims that all functions have a domain of all real numbers. Which of the following-example-1
Rex claims that all functions have a domain of all real numbers. Which of the following-example-1
Rex claims that all functions have a domain of all real numbers. Which of the following-example-2
Rex claims that all functions have a domain of all real numbers. Which of the following-example-3
User Lee Berger
by
8.5k points

1 Answer

3 votes

The answer is B.

A is not a function.

C and D have domains that are all real numbers.

B is a function and it's domain is all real numbers except 0.

User Khn Rzk
by
8.3k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.