$\"\"$

The function is $\"\"$ .

From given data f(x) > 0

$\"\"$

$\"\"$ (Subtract 3 from each side)

$\"\"$ (Simplify) $\"\"$

$\"\"$ (Multiply each side by negative one and flip the symbol)

$\"\"$ (Simplify)

$\"\"$ (Apply square root each side)

$\"\"$ (Simplify) $\"\"$

The inequality solution set is $\"\"$ .