Trigonometry Examples

\sqrt{x}

$\sqrt{x}$

Step 1

Set the radicand in

\sqrt{x}

$\sqrt{x}$ greater than or equal to

0

$0$ to find where the expression is defined.

x \geq 0

$x \geq 0$

Step 2

The domain is all values of

x

$x$ that make the expression defined.

Interval Notation:

[0, \infty)

$[0, \infty)$

Set-Builder Notation:

{x | x \geq 0}

${x | x \geq 0}$

Step 3

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[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$