Theses are a result of evolution.
It's domain
probably
I'll attempt to answer this. As worded your question makes no sense. All functions are relations, but not all relations are functions. Like all girls are people but not all people are girls.
No all it does is make an air bubble at the joint of your bones. It makes no affect whatsoever on your hand size. Your hand size is all determined by your genetics.
i think it makes it all stick together
Rhetorical questions make the audience think about an answer to the question but no response is needed. This makes the reader think of all the possible answers, which then becomes memorable to them.
all you have to do is, get your foot in hand and then stretch as far as possible then you will get longer feet :)
It just makes the floor dirty that's all.
Interconnected
Yes, it is possible to get a flush in your crib hand in cribbage. This occurs when all four cards in your hand, including the starter card, are of the same suit.
yes all you have to do is put it in there simples!!
The domain is the set of all input values, the range is the set of all output values. It is not possible to be more specific when you have not included any details of the functions.