Precalculus Examples

$A = (1, 2, 3)$ ,

$B = (1, 2, 3, 8)$

Step 1

$A$ is a subset of

$B$ and

$A$ is not equal to

$B$ , which is the definition of a proper subset..

$A = (1, 2, 3)$ is a proper subset of

$B = (1, 2, 3, 8)$

Enter YOUR Problem

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