Let be a constant

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

Problem

Let

k\neq 0

be a constant. What is

\displaystyle \lim_{x\to k} \frac{x^{3}-k^{3}}{x-k}

? (a)

k^{2}

(b)

3k^{2}

(c)

2k^{2}

(d)

0