Answer:

Step-by-step explanation:
Given
The second fret is
from the first fret.
The third fret is
from the second fret.
Distance of third fret from the first fret
Distance from first fret to second fret
Distance from second fret to third fret.

Hence, we can see the third fret is
from the first fret.
Answer:
Umm what net? Edit your question and maybe I can Help
Answer:
The third graph.
Step-by-step explanation:
The equations for the lines will be
P(x) = 2x-4
l(x) = -2x-4
When x = 0 both of these functions equal -4. The only graph where this happens is the third one.
You can check this by looking at the slopes and plugging in points.