Let A := B := {x {xER:-1 < x < 1} and consider the subset C := {(x, y) : x² + y2 = 1} of A x B. Is this set a function?

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Let A := B := {x {xER:-1 < x < 1} and consider the subset C := {(x, y) : x² + y2 = 1} of A x B. Is this set a function?

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Let A B X Xer 1 X 1 And Consider The Subset C X Y X Y2 1 Of A X B Is This Set A Function 1
Let A B X Xer 1 X 1 And Consider The Subset C X Y X Y2 1 Of A X B Is This Set A Function 1 (33.32 KiB) Viewed 274 times
Let A := B := {x {xER:-1 < x < 1} and consider the subset C := {(x, y) : x² + y2 = 1} of A x B. Is this set a function? Explain.
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