For the function

MATHEMATICS · Single correct · AP · AP Precalculus · Polynomial and Rational Functions · Polynomial and Rational Functions

Problem

For the function

f(x)=\dfrac{2}{x+4}-1

, the equation of its horizontal asymptote is (a)

y=0

(b)

y=-1

(c)

y=2

(d)

y=-\dfrac{1}{2}