Find the absolute maximum and absolute minimum values of the function, if they exist, over the indicated interval. When no interval is specified, use the real line ($-\infty$, $\infty$).
$f(x) = x + \frac{16}{x}$; [-7, -1]
Absolute maximum: -8, absolute minimum: $-\frac{65}{7}$
Absolute maximum: -8, absolute minimum: -17
Absolute maximum: -8, absolute minimum: -15
Absolute maximum: $-\frac{65}{7}$, absolute minimum: -17