Precalculus Examples

$\frac{x^{2} - 2 x - 15}{x^{2} - x - 12}$

Step 1

Write $\frac{x^{2} - 2 x - 15}{x^{2} - x - 12}$ as a function.

$f (x) = \frac{x^{2} - 2 x - 15}{x^{2} - x - 12}$

Step 2

The leading coefficient test requires a polynomial.

Not a polynomial