anonymous
  • anonymous
Determine which relation is a function. A. {(–4, 3), (–2, 3), (–1, 2), (2, 5), (3, 2)} B. {(–4, 1), (–2, 3), (–2, 1), (–1, 5), (3, 2)} C. {(–4, 1), (–2, 3), (–1, 2), (3, 5), (3, 2)} D. {(–4, 1), (–2, 3), (–1, 1), (–1, 5), (3, 2)}
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
@robtobey @ShadowLegendX
jim_thompson5910
  • jim_thompson5910
Plot each point in each set. Focus on only one set at a time If it is possible to draw a vertical line through more than one point, then the relation is NOT a function.
anonymous
  • anonymous
Alright

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jim_thompson5910
  • jim_thompson5910
Example: Say we had this relation {(1,2), (5,4), (7,8), (1,10)} The two points (1,2) and (1,10) will line up. (1,10) will be directly above (1,2). It is possible to draw a vertical line through both points. So in this example, the relation is NOT a function
anonymous
  • anonymous
Ok. Thank you!
jim_thompson5910
  • jim_thompson5910
you're welcome
anonymous
  • anonymous
So my answer would be A?
anonymous
  • anonymous
@jim_thompson5910
anonymous
  • anonymous
Anybody? Is my answer A?
jim_thompson5910
  • jim_thompson5910
yep the others fail the vertical line test
anonymous
  • anonymous
Thanks!
jim_thompson5910
  • jim_thompson5910
the vertical line test is a test where you see if a vertical line passes through more than one point
jim_thompson5910
  • jim_thompson5910
no problem

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