MATHEMATICS · Single correct · AP · Calculus AB · Limits and Continuity · Limits and Continuity
Problem
Consider the function f(x)=x2+53x−1. Which one of the following statements is true about f?
(a) f\text{ is discontinuous at }x=\sqrt{5}
(b) f\text{ is continuous for all real numbers}
(c) f\text{ is discontinuous at }x=-5
(d) f\text{ is discontinuous at }x=\dfrac13