Which graph shows a line where each valie of y is three more than half of x?

For this case we have the following equation:
 y is three more than half of x
 Writing the expression in its standard form we have:
  
 We observe that the graph is a straight line.
 The slope is positive and equal to 1/2
 The cut point with the y axis is 3.
 
 See attached image.