Question

Graph the function $f(x)=2x+5.$ Use the graph to find the indicated​ limit, if it exists.

$\lim\limits_{x\to\infin} f(x)$.

Answer 1

Let us graph the function $f(x)=2x+5:$

It follows that $\lim\limits_{x\to\infin} f(x)=\lim\limits_{x\to\infin} (2x+5)=\infin. ​$