Write as a Function of x f(x) = square root of x

$f (x) = \sqrt{x}$

Step 1

Subtract $f (x)$ from both sides of the equation.

$0 = \sqrt{x} - f (x)$

Step 2

Rewrite the equation as $\sqrt{x} - f (x) = 0$ .

$\sqrt{x} - f (x) = 0$