Answer:
[tex]f(x)\rightarrow 1\ \text{as}\ x\rightarrow\pm\infty[/tex]
Step-by-step explanation:
"End behavior" generally refers to the behavior as the independent variable (x) gets large in the positive or negative directions. Here, the curve for large magnitude x flattens out and approaches 1. So, we say ...
[tex]f(x)\rightarrow 1\ \text{as}\ x\rightarrow\pm\infty[/tex]