$\"\"$

(a)

The function is $\"\"$ .

Construct the table for different values of $\"\"$ , to estimate the value of $\"\"$ .

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

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

Observe the table.

As $\"\"$ tends to $\"\"$ , the value of $\"\"$ approaches to $\"\"$ .

$\"\"$ .

$\"\"$

(b)

The function is $\"\"$ .

Construct the table for different values of $\"\"$ , to estimate the value of $\"\"$ .

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

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

Observe the table.

As $\"\"$ tends to $\"\"$ , the value of $\"\"$ approaches to $\"\"$ .

So $\"\"$ .

$\"\"$

(a) $\"\"$ .

(b) $\"\"$ .