Consider the function

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

Problem

h(x)=\dfrac{x+1}{x^{2}-m}

. The function

h

is discontinuous at exactly one real number if and only if (a)

m>0

(b)

m=1

(c)

m=0

(d)

m\neq 0