AP

MATHEMATICS · Single correct · AP · Calculus AB · Limits and Continuity · Limits and Continuity

Problem

Find

\displaystyle \lim_{x \to -1}\frac{x^{4}-1}{x^{3}+1}

. (a)

\dfrac{4}{3}

(b) Does not exist (c)

-\dfrac{4}{3}

(d)

0