What are the domain and range of the function { (3, 1), (5, - 1), (9, - 1), (2, 7), (-4, 1) }?

A.

Domain: {1, 7}; Range: {3, 5, 9, 2 }

B.

Domain: {3, 5, 9, 2 }; Range: {1, 7}

C.

Domain: {3, 5, 9, 2, - 4}; Range: {1, - 1, 7}

D.

Domain: {1, - 1, 7}; Range: {3, 5, 9, 2, - 4}

Question

Mathematics

Leonidas Mcneil

25 July, 00:51

What are the domain and range of the function { (3, 1), (5, - 1), (9, - 1), (2, 7), (-4, 1) }?

A.

Domain: {1, 7}; Range: {3, 5, 9, 2 }

B.

Domain: {3, 5, 9, 2 }; Range: {1, 7}

C.

Domain: {3, 5, 9, 2, - 4}; Range: {1, - 1, 7}

D.

Domain: {1, - 1, 7}; Range: {3, 5, 9, 2, - 4}

+3

Answers (1)

Know the Answer?

Erika Cohen · Answer 1

The answer is C. The domain is just the values of x of those ordered pairs. The range is the values of y, since some values are repeated, just use the value that is repeated once.

What are the domain and range of the function { (3, 1), (5, - 1), (9, - 1), (2, 7), (-4, 1) }?A.Domain: {1, 7}; Range: {3, 5, 9, 2 }B.Domain: {3, 5, 9, 2 }; Range: {1, 7}C.Domain: {3, 5, 9, 2, - 4}; Range: {1, - 1, 7}D.Domain: {1, - 1, 7}; Range: {3, 5, 9, 2, - 4}

What are the domain and range of the function { (3, 1), (5, - 1), (9, - 1), (2, 7), (-4, 1) }?

A.

Domain: {1, 7}; Range: {3, 5, 9, 2 }

B.

Domain: {3, 5, 9, 2 }; Range: {1, 7}

C.

Domain: {3, 5, 9, 2, - 4}; Range: {1, - 1, 7}

D.

Domain: {1, - 1, 7}; Range: {3, 5, 9, 2, - 4}