The function is $\"\"$ .

Graph the function $\"\"$ .

$\"\"$

Observe the graph of $\"\"$ , it appears that the function has one relative minimum in the interval $\"\"$ and relative maximum at $\"\"$ .

Observe the end behavior of the graph, the function has no absolute extrema.

Locate the relative maximum and relative minimum on the graph.

$\"\"$

Relative maximum of $\"\"$ is at $\"\"$ and relative minimum is at $\"\"$ .

Relative maximum is $\"\"$ and relative minimum is $\"\"$ .