27)

\

Domain of the $\"\"$

\

Find the domain.

\

$\"\"$

\

28)

\

The equation is $\"\"$

\

Apply log on each side and simplify.

\

$\"\"$

\

Approximately $\"\"$

\

False.

\

29)

\

The equation is $\"\"$

\

Apply log on each side and simplify.

\

$\"\"$

\

Approximately $\"\"$

\

30)

\

The equation is $\"\"$

\

Apply exponent on each side and simplify.

\

$\"\"$

\

Approximately $\"\"$