Determine whether each relation is a function. Explain why or why not. 1. {(3, 2), (-1, 3), (5, 2)} 2. {(9, -1), (3, 6), (-2, 4), (3, 0)}

Calculus: Early Transcendentals
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Author:James Stewart
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Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Determine whether each relation is a function. Explain why or why not.
1. {(3, 2), (-1, 3), (5, 2)}


2. {(9, -1), (3, 6), (-2, 4), (3, 0)}

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\left\{\left(3,2\right),\left(-1,3\right),\left(5,2\right)\right\}

as we can see, there is one value of y for every value of x

so Yes, the relation is a function.

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