anonymous
  • anonymous
Which of the following expressions represents a function? {(1, 2), (4, –2), (8, 3), (9, –3)} y2 = 16 − x2 2x2 + y2 = 5 x = 7
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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jdoe0001
  • jdoe0001
the 1st one has 4 points, and their coordinates, plot those then for the last 3 pick a few random "x" to get a "y", and plot them as well then run the "vertical line test" on the graphs of each see which one passes http://i1.ytimg.com/vi/-xvD-n4FOJQ/hqdefault.jpg <-- vertical line test
anonymous
  • anonymous
so it would be a @jdoe0001
jdoe0001
  • jdoe0001
if that's what your graphs show, then sure

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anonymous
  • anonymous
@jdoe0001 a is correct?

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