## Calculus: Early Transcendentals 8th Edition

The domain of $g(t)$ is: $(-∞,-1) \cup (-1,∞)$
$g(t) = \frac{t^{2} - 1}{t + 1}$ has one restriction at $t = -1$ (undefined). Otherwise, it becomes a line: $g(t)=\frac{(t+1)(t-1)}{(t+1)}=t-1$