$\"\"$

\

(a)

\

The funnction is $\"\"$ .

\

Graph the function $\"\"$ .

\

$\"\"$

\

$\"\"$

\

(b)

\

Find the zero of $\"\"$ .

\

Substitute $\"\"$ in $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

If base of the exponentials are equal then equate the powers.

\

$\"\"$

\

The zero of $\"\"$ is $\"\"$ .

\

$\"\"$

\

(c)

\

Based on the graph solve $\"\"$ .

\

$\"\"$

\

Observe the graph:

\

The function $\"\"$ in the interval $\"\"$ .

\

$\"\"$

\

(a)

\

$\"\"$

\

(b) The zero of $\"\"$ is $\"\"$ .

\

(c) The function $\"\"$ in the interval $\"\"$ .