Answer
a. $ -4$
b. $-4$
c. $y=-4$
Work Step by Step
From the given figure, we get
a. $\lim _{x \rightarrow-4} g(x)= -4$
b. Since $y=-4$ is a horizontal asymptote, $\lim _{x \rightarrow-\infty} g(x)=-4$
c. The equation for the horizontal asymptote is $y=-4$
