Find the combined total of violent crimes and property crimes in year $\"\"$ is $\"\"$ .

The number of violent crimes committed in year $\"\"$ is $\"\"$ .

Number of property crimes committed in year $\"\"$ is $\"\"$ .

Total of violent crimes and property crimes in year $\"\"$ ( $\"\"$ ) is equals to the sum of the number of violent crimes committed in year $\"\"$ ( $\"\"$ ) and the number of property crimes committed in year $\"\"$ ( $\"\"$ ).

Thus, $\"\"$ .

The function is $\"\"$ .