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Precalculus Examples

$7 + y > x$ , $(7, 3)$

Step 1

Insert the values of $x = 7$ and $y = 3$ into the equation to find if the ordered pair is a solution.

$7 + 3 > 7$

Step 2

Add $7$ and $3$ .

$10 > 7$

Step 3

Since $10 > 7$ , the inequality will always be true.

Always true

Step 4

Since the equation is always true when the values are used, the ordered pair is a solution.

The ordered pair is a solution to the equation.

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