$\"\"$

The function is $\"\"$ .

Observe the graph of the function.

The function $\"\"$ is increasing over the intervals $\"\"$ and $\"\"$ .

The function $\"\"$ is decreasing over the intervals $\"\"$ .

$\"\"$

Check numerically.

Create a table for different values of $\"\"$ in each interval.

In the interval $\"\"$ .

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

In the interval $\"\"$ .

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

In the interval $\"\"$ .

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

$\"\"$

The function $\"\"$ is increasing over the intervals $\"\"$ and $\"\"$ .

The function $\"\"$ is decreasing over the intervals $\"\"$ .