Answer:
https://www.pewresearch.org/fact-tank/2019/07/24/baby-boomers-us-labor-force/
Step-by-step explanation:
here is an article about this.
Answer: A is correct.
Explanation:
We can see f(x) is piece wise function and break at point x=2
When x<2
f(x) is parabolic whose y-intercept (0,4)
So, 
When 
f(x) is linear with slope 1
So, 
A is correct option according to given graph.

1/6,2/6 not 3/6 because that is 1/2