$\"\"$

The inequality is $\"\"$ .

Since the radicand of a square root must be greater than or equal to equal to zero, first solve $\"\"$ to identify the values of $\"\"$ for which the left side of the given inequality is defined.

$\"\"$

Solve $\"\"$ .

Squaring on each side.

$\"\"$

Subtract $\"\"$ from each side.

$\"\"$

Divide each side by 3.

$\"\"$ .

Thus, the solution set is $\"\"$ .

$\"\"$

The solution set is $\"\"$ .