Calculus Examples

$lim_{x \to \infty} 4 x^{3} - x^{4}$

Step 1

Reorder $4 x^{3}$ and $- x^{4}$ .

$lim_{x \to \infty} - x^{4} + 4 x^{3}$

Step 2

The limit at infinity of a polynomial whose leading coefficient is negative is negative infinity.

$- \infty$