Answer:
All households in the United States contain at least one child.
and None of the households in the United States contain five children.
Step-by-step explanation:this is what i awnsered sorry if its wrong
Step-by-step explanation:

Negative five pi divided by two
Answer:
Assuming you have
with
, the answer is f(2)=13.6.
Step-by-step explanation:
I think that says
with
.
Now we want to find
so replace n with 2:
This gives you:




