Precalculus Examples

$(0, 9)$ , $(5, 4)$ , $(1, 4)$

Step 1

Since there is one value of $y$ for every value of $x$ in $(0, 9), (5, 4), (1, 4)$ , this relation is a function.

The relation is a function.

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