Answer:
2m-9
Step-by-step explanation:
m-4+m-5
=m+m-4-5
=2m-9
1st we should find the point where the line intersects with the axises
put x= 0 , so y= 3 ---- > the 1st point (0,3)
put y=0 , so x = 7.5 ----> the 2nd point (7.5,0)
so it's the first graph on the left
