Question

How do you find the domain of a function?
g(x) = 1 - 2x^2

Answer 1

domain is the value that you give to x.

Answer 2

There is no quocients which may turn to zero on de bottom, so this functions is defined to all \[x \in R\]

Answer 3

what the x value can be for this fucntion will be the domain

Answer 4

So how do I do that? I dont understand.

Answer 5

in this case x can be anything

Answer 6

\[x \epsilon \mathbb{R}\]

Answer 7

Well, that doesnt really help! Why is it anything? Like, I need to show work & this doesnt help. d:

Answer 8

then draw a graph...

Answer 9

the line will go in both directions covering every single x value possible, that is why x is understood to be all real numbers