Which of the following relations is NOT a function?

{(1, 2), (1, 3), (2, 4), (3, 5)}

{(1, 2), (2, 3), (3, 4), (4, 5)}

{(1, 2), (2, 2), (3, 2), (4, 2)}

{(1, 1), (2, 4), (3, 9), (4, 16)}

Test On Functions and Relations! Trivia Live Quiz

Math

Grade 7th,
Grade 8th,
Grade 9th

CCSS.Math.Content.HSF-IF

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Janaisa Harris, BA (Mathematics) |

High School Math Teacher

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Janaisa Harris, an experienced educator, has devoted 4 years to teaching high school math and 6 years to tutoring. She holds a bachelor's degree in Mathematics (Secondary Education, and Teaching) from the University of North Carolina at Greensboro and is currently employed at Wilson County School (NC) as a mathematics teacher.

, BA (Mathematics)

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