$\"\"$

Statement: If $\"\"$ and $\"\"$ , then $\"\"$ is continuous at $\"\"$ .

Definition of continuity:

A function is continuous at $\"\"$ , the conditions are

(a) $\"\"$ is defined.

(b) $\"\"$ exists.

Apply definition of continuity, $\"\"$ is defined.

$\"\"$ is exists and $\"\"$ .

The statement is true.

$\"\"$

The statement is true.