Answer:
i think it's B 3.46
Step-by-step explanation:
hope this helps
Answer:
6
Step-by-step explanation:
you first divide 81 by 18 and get 4.5, that is the number of children per adult.
next you'll divide 27 by 4.5 and 6.
that's the answer.

So, in the list of numbers, 8 and 9 are solutions
What this is asking is for you to plug values into the following function:

Since the question is asking you to find

, this is how you work it out:
You take the function;

And plug the numbers indicated in for x;

So the answer to f(3) - f(1) =