Linear Functions

The table shows values of a function $g$.

<table> <thead> <tr> <th>$x$</th> <th>-2</th> <th>0</th> <th>2</th> <th>4</th> </tr> </thead> <tbody><tr> <td>$g(x)$</td> <td>-7</td> <td>-1</td> <td>5</td> <td>11</td> </tr> <tr> <td>Which expression equals $g(x)$?</td> <td></td> <td></td> <td></td> <td></td> </tr> </tbody></table>