For which of the following graphs is y a function of x

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Marc Sloth Eastman asked Aug 21, 2023

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37 votes

For which of the following graphs is y a function of x

Mathematics
middle-school

Marc Sloth Eastman asked Aug 21, 2023

by Marc Sloth Eastman

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2 Answers

18 votes

Answer:

Explanation:

Use the vertical line test.

If 2 points have the same x coordinate, it is not a function

A fails

B fails

C fails

D passes

JSantos answered Aug 21, 2023

by JSantos

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12 votes

Answer:

Explanation:

Draw vertical lines on your graph if they pass through more than once it is not a function.

Lcfd answered Aug 27, 2023

by Lcfd

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