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

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Mathematics

25 January, 14:06

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)

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Crystal Mercado · 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}