Question

Given: R = {(x, y): y = -x^2}

What is the domain of R?

Answer 1

what does that mean..?

Answer 2

there is no restriction for x

Answer 3

u can plug all \(x\in \mathbb{R}\) to y=-x^2

Answer 4

so I just say that x is an element of R?

Answer 5

yeah

Answer 6

Oh okay, that makes sense. Thanks!

Answer 7

welcome :)