Precalculus Examples

$y = 3$

Step 1

Write $y = 3$ as a function.

$f (x) = 3$

Step 2

The function is even because $f (- x) = f (x)$ .

The function is even

Step 3

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