$\"\"$

\

The function is $\"\"$ .

\

Show that for each $\"\"$ , there exists a $\"\"$ , Such that $\"\"$ whenever $\"\"$ .

\

To establish a connection between $\"\"$ and $\"\"$ .

\

Consider $\"\"$ and simplify the inequality, then calculate for $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Subtract $\"\"$ from each side.

\

$\"\"$

\

$\"\"$

\

Select the value of $\"\"$ such that it is closer to $\"\"$ .

\

Consider $\"\"$ .

\

$\"\"$

\

For a given $\"\"$ you can choose $\"\"$ .

\

$\"\"$ .

\

Since $\"\"$ then from above $\"\"$ .

\

$\"\"$

\

$\"\"$ .

\

\