Question

Please Solve, Thank you!

Answer 1

Explanation:

In a square root function, the argument must be either greater than or equal to 0.

`- x - 6 \geqslant 0`

`- x \geqslant 6`

`x \leqslant - 6`

So the domain of the function is

(-oo,-6]

Use a bracket after the -6 since we are including that value in our domain.