If a relation contains the points (1,2) and (3,4), what is the range?

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Study for the 8th Grade FAST Mathematics Pre-Algebra Test. Enhance your skills with interactive flashcards and multiple choice questions, each containing hints and explanations to boost your comprehension and readiness for the exam. Get ready to ace your test!

Multiple Choice

If a relation contains the points (1,2) and (3,4), what is the range?

Explanation:
Range is all the y-values that appear in the ordered pairs. From the points (1,2) and (3,4), the y-values are 2 and 4, so the range is {2,4}. This set lists exactly the second coordinates that show up in the relation. The other options mix x-values or include numbers that aren’t shown as y-values here. If you were asked for the domain, you’d list the x-values {1,3}.

Range is all the y-values that appear in the ordered pairs. From the points (1,2) and (3,4), the y-values are 2 and 4, so the range is {2,4}. This set lists exactly the second coordinates that show up in the relation. The other options mix x-values or include numbers that aren’t shown as y-values here. If you were asked for the domain, you’d list the x-values {1,3}.

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