5 7/32 = 167/32
5/32 + 5/32 (2 wall thicknesses of the pipe) =10/32
167/32 - 10/32 = 157/32
= 4 29/32
I can't answer this question without a picture of the lines.
Answer:
When h = pi , the orange graph shifts PI
units to the RIGHT
When h=-pi, the orange graph shifts PI
units to the LEFT