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Mathematics 22 Online
OpenStudy (anonymous):

If ƒ={(5, 1),(6, 2),(7, 3),(8, 1),(9, 7)}, then the range of ƒ is

OpenStudy (anonymous):

Here are the answer choices a) {(1, 5),(2, 6),(3, 7),(1, 8),(7, 9)} b){1, 2, 3, 7} c) {5, 6, 7, 8, 9}

OpenStudy (anonymous):

i think is is 7

OpenStudy (marigirl):

The range is the set of second numbers in the ordered pairs, which is usually the y values.

OpenStudy (marigirl):

ƒ={(5, 1),(6, 2),(7, 3),(8, 1),(9, 7)} The range basically refers to the set of y values. we can see from the question that the y value of each coordinates are 1, 2, 3, 1 and 7. So in this case it will be multiple choice option B

OpenStudy (anonymous):

Yup those were the options. so its 1,2,3,7?

OpenStudy (marigirl):

yes that will be the answer. those are the y values (Range)

OpenStudy (marigirl):

even though 1 is repeated, we only need to write it once in the Range set

OpenStudy (anonymous):

thank yo so much!!!

OpenStudy (marigirl):

no probs :) a medal would be appreciated too :D

OpenStudy (anonymous):

idk how, just say you as best response?

OpenStudy (marigirl):

yes :) thanx!

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