$\"\"$

(a)

Find the zeros of $\"\"$ on the interval $\"\"$ .

The function is $\"\"$ .

Find the zeros of $\"\"$ by equating $\"\"$ to zero.

$\"\"$

The general solution of $\"\"$ is $\"\"$ , where $\"\"$ is an integer.

The general solutions is $\"\"$ , where $\"\"$ is an integer.

If $\"\"$ , then

$\"\"$

$\"\"$ and $\"\"$

$\"\"$ and $\"\"$ .

If $\"\"$ , then

$\"\"$

$\"\"$ and $\"\"$ .

If $\"\"$ , then

$\"\"$

$\"\"$ and $\"\"$

$\"\"$ and $\"\"$ .

If $\"\"$ , then

$\"\"$

$\"\"$ and $\"\"$

$\"\"$ and $\"\"$ .

Therefore, the zeros of $\"\"$ on the interval $\"\"$ are $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ and $\"\"$ .

(b)

The function is $\"\"$ and the interval is $\"\"$ .

Rewrite the function as $\"\"$ .

Make a table to find the ordered pairs.

Choose different values of $\"\"$ on the interval $\"\"$ , then find corresponding values for $\"\"$ .

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

$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$

Draw a coordinate plane.

Plot the points obtained in the above table.

Connect those points with a smooth curve.

Graph :

$\"\"$

(c)

Solve $\"\"$ in the interval $\"\"$ .

$\"\"$

The general solution of $\"\"$ is $\"\"$ , where $\"\"$ is an integer.

The general solutions is $\"\"$ , where $\"\"$ is an integer.

If $\"\"$ , then

$\"\"$

$\"\"$ and $\"\"$ .

If $\"\"$ , then

$\"\"$

$\"\"$ and $\"\"$ .

If $\"\"$ , then

$\"\"$

$\"\"$ and $\"\"$

$\"\"$ and $\"\"$ .

If $\"\"$ , then

$\"\"$

$\"\"$ and $\"\"$

$\"\"$ and $\"\"$ .

Therefore, the solutions of $\"\"$ on the interval $\"\"$ are $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ and $\"\"$ .

For the solutions of $\"\"$ find corresponding values for $\"\"$ .

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

$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$

Therefore, the points on the graph of $\"\"$ are $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ , and $\"\"$ .

Take the graph drawn in part (b).

Label the points obtained in the above table.

Graph :

$\"\"$ .

(d)

Observe the graph drawn in part (b) along with the results of part (c) :

The values of $\"\"$ such that $\"\"$ on the interval $\"\"$ are $\"\"$ .

(a)

The zeros of $\"\"$ on the interval $\"\"$ are $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ and $\"\"$ .

(b)

Graph of $\"\"$ :

$\"\"$

(c)

The points on the graph of $\"\"$ are $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ , and $\"\"$ .

Graph :

$\"\"$

(d)

$\"\"$ .