Answer:
6 units away from 0.
Step-by-step explanation:
when move to 6 you count the units.
Note that

in the given closed interval, so the area is exactly given by the definite integral

(no absolute values needed!)
Integrating gives
Y represent the total number of newspapers sold by Colby.
45/15= 3
So 1 minute=3 cents
75*3=225=2.25 converted
75 minutes=$2.25