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Precalculus Examples

$x \geq 5$ , $x - 1 \geq 2$

Step 1

Add $1$ to both sides of the inequality.

$x \geq 2 + 1$

Step 2

Add $2$ and $1$ .

$x \geq 3$

Step 3

The result can be shown in multiple forms.

Inequality Form:

$x \geq 3$

Interval Notation:

$[3, \infty)$

Step 4

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