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

\

The given funtion is $\"\"$ and $\"\"$

\

Compare the above two equations.

\

We get, $\"\"$

\

According to subtraction property of equality: Subtract 25 from each side.

\

$\"\"$

\

$\"\"$ (Additive inverse property: $\"\"$ )

\

$\"\"$ (Additive inverse property: $\"\"$ )

\

$\"\"$ (Subtract: $\"\"$ ) $\"\"$

\

$\"\"$ (Multiply each side by negative one)

\

$\"\"$ (Product of two same signs is positive)

\

$\"\"$ (Divide each side by 2)

\

$\"\"$ (Cancel common terms)

\

$\"\"$ (Divide: $\"\"$ )

\

The value of $\"\"$ . $\"\"$

\

The option C is correct.