anonymous
  • anonymous
Which of these equations represent functions? Check all that apply. A. y=± (minus sign under +) root of X B. y=root of X C. x2 - y2 = 1 D. y = (x - 1)2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
schrodinger
  • schrodinger
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tkhunny
  • tkhunny
Please state the requirements.
NoelGreco
  • NoelGreco
Try the vertical line test on the functions' graphs.
e.mccormick
  • e.mccormick
-y^2? That is no circle.

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anonymous
  • anonymous
my mistake
e.mccormick
  • e.mccormick
np. It is not a funtion either.
anonymous
  • anonymous
think my answers would be A,b,and D, correct me if I'm wrong,
e.mccormick
  • e.mccormick
How did you graph A to check it?
anonymous
  • anonymous
±, just means plus or minus so i did both
e.mccormick
  • e.mccormick
Yes, on the same graph. Becayse the \(\pm\) is outside the root, if \(x=1\), \(y=\{-1,1\}\)
anonymous
  • anonymous
wait so it cant be a function right?
e.mccormick
  • e.mccormick
Right. The first two here show it: https://www.desmos.com/calculator/rulzhdxw2j The other are the rest of things you needed.
anonymous
  • anonymous
thanks a lot @e.mccormick !(:
e.mccormick
  • e.mccormick
np. have fun!

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