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Video: Determining the Range of a Function Written in the Listing Method

Bethani Gasparine

Given that f:X β†’ Y, X={-9,-6,-5}, Y={3,4,6,9}, and f={(-9,4),(-6,4),(-5,9)}, which of the following sets correctly specify the range of the function?

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Video Transcript

Given that 𝑓 is a function that maps 𝑋 to π‘Œ, where 𝑋 is the set of negative nine negative six negative five and π‘Œ is the set of three, four, six, and nine and 𝑓 is the function with ordered pairs of negative nine four, negative six four, and negative five nine. Write the range of the function as a set.

The range of a function are the π‘Œ values. Here we have our function. And the π‘Œ values are four, four, and nine, and we only need to write four once even though it was repeated.