Answer:
A. 4
Explanation:
The graph represents the weekly consumption of soft drinks.
The X axis holds the age range, from 0 and beyond 55 years.
Y axis is the number of soft drinks for one week.
tracing from age 15 - 18 does not give a value, that is '0',
on age 19, there is a trace to the y axis each give a value of approximately 4.