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iogann1982 [59]
3 years ago
15

X2 + y2 = 4 determine if the relation is a function

Mathematics
1 answer:
Mama L [17]3 years ago
4 0

Answer:

It is not a function.

Step-by-step explanation:

x^2 + y^2 = 4.

Let x = 1:

(1)^2 + y^2 = 4

y^2 = 4 - 1 = 3

So y = √3, -√3.

So we see that for one value of x we get 2 values of y.

So the relation is a one-to-many relation which is not a function.

Functions are either one-to-one or many to-one.

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