Answer
a) The function increases indefinitely when $x$ decreases (without bound) and the function increases indefinitely when $x$ increases (without bound)
b) $\lim\limits_{x \to -\infty}n(x)=+\infty$ and $\lim\limits_{x \to +\infty}n(x)=+\infty$
c) There isn't any horizontal asymptote
Work Step by Step
Answer given by direct observation of the graph.
