Question

find the domain of the function....

Answer 1

\[f(x)=3\sqrt{x+1}-1\]

Answer 2

hint : the thing inside radical cannot be negative

Answer 3

otherwordy "x" must not take any values that makes the inside of the radical a negative value

Answer 4

we have a square root here and the domain for it \[\sqrt{x+1} \to x+1\ge0\]
\[x \ge -1\]\