For Questions 7, 8, and 9, use the following PowerShell script. The line numbers are provided for reference and should not be typed in when you run this script: function Update-MyVar { $myVar = $myvar + 1 Write-Host "MyVar contains '$myVar'" 1: Wow OOOOWN WO $myVar = 1 Write-Host "MyVar contains '$myVar'" Update-MyVar Write-Host "MyVar contains '$myVar'" we 7. Write the PowerShell command that, when inserted between lines 2 and 3, will cause the output to match the following: MyVar contains 'l' MyVar contains '2' MyVar contains '2' ww PowerShell command