stephg915 stephg915

02-07-2020
Mathematics

contestada

Does the equation x2 + y = 169 define y as a function of x?

Respuesta :

Ilovefries123 Ilovefries123

02-07-2020

Yes, this is a function. This is a function because there are no repeating x values. This can be seen using the vertical line test.

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fjfevrin15 fjfevrin15

02-07-2020

Y=169-x^2
We subtract x^2 both sides
X^2-x^2+y=169-x^2
Y=169-x^2

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