$\"\"$

The function is $\"\"$ .

Rewrite the function $\"\"$ .

Apply linear function formula: $\"\"$ , where m and b are real numbers.

Yes, the above function is linear function. It can written as $\"\"$ ,

$\"\"$ and $\"\"$ . $\"\"$

Yes, the above function is linear function. It can written as $\"\"$ ,

$\"\"$ and $\"\"$ .