Precalculus Examples

$x + 4 < 9$ , $x \geq 6$

Step 1

Subtract $4$ from both sides of the inequality.

$x < 9 - 4$ or $x \geq 6$

Step 2

Subtract $4$ from $9$ .

$x < 5$ or $x \geq 6$

Step 3

The result can be shown in multiple forms.

Inequality Form:

$x < 5 or x \geq 6$

Interval Notation:

$(- \infty, 5) \cup [6, \infty)$

Step 4

Enter YOUR Problem

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