Question

PLEASE HELP BRAINLIEST REWARDED

Answer 1

A function is a special relation whose every input corresponds with a single output. To be a function, each input is allowed to pair with only one output element.

$x^2+y-15=0\\ Adding \; 15 \; subtracting \; x^2\; on\; both\; sides\\ \\ y=-x^2+15$

For a parabola equation like above, there is no restriction in the domain. For every x value there is a unique y value.

Conclusion:

The equation $x^2+y-15=0$ is BOTH a function and a relation!

Answer 2

I think that it is a function but not a relation