Answer:
Step-by-step explanation: it is a vertical line at x=4 going up and down through 4 on the x axis.
Step-by-step explanation:
This is for any equation not this equation. For this equation it is just a straight vertical line through (0,4)
1. make a table
ex:
( x , y )
( 4 , 0 )
( 4 , 1 )
( 4 , 2 )
2. sketch those points on your graph
3. connect the points
4. cry because you will have to do this for many many years