Which relation is a function? A) x y = y2 - 3 B) y x = y2 - 3 C) x2 + y2 = 5 + x D) x2 - y = 10x + 25 + y

Question

Mathematics

Makai Cameron

4 April, 04:09

Which relation is a function? A) x y = y2 - 3 B) y x = y2 - 3 C) x2 + y2 = 5 + x D) x2 - y = 10x + 25 + y

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Tatiana Carter · Answer 1

Since you didn’t specify that it needed to be y as a function of x, all of the above equalities can be rewritten as functions. However, in case that you meant to imply that, A and B are both not valid for y as a simple function of x.