$\"\"$

The word each output of a function is 0.5 less than the corresponding input represents .

and domain set is $\"\"$ .

Substitute the values $\"\"$ for x in the function $\"\"$ to obtain different values for y.

If $\"\"$ then $\"\"$ .

The range of the function $\"\"$ set is $\"\"$ . $\"\"$

The option B is correct answer.