Question

algebraically determine the domain using set notation.
g(k) = 2k^2 + 4k - 6.

Answer 1

all real numbers.

Answer 2

how do u write it in set notation

Answer 3

\[\left\{ x such that x is any real number \right\}\]

Answer 4

You should have spaces in between the words, I was unable to put them in.
There is also, a symbol for such that and a symbol for all reals (look in your math book)

Answer 5

so is it in brakets with [-infinity, +infinity]

Answer 6

use parenthesis not brackets. That is interval notation. I listed set builder notation.