If find f(-1), f(0),and f(1).

Just plug and chug.

f(-1) = -1

Oops, we can't divide by 0, so f(0) is undefined.

If , find f(-2), f(-1), and f(0).

Plug in each value and watch the magic unfold.

That last one is undefined, since we've got an angry-looking 0 sitting in the denominator.

If , find f(-2), f(0), and f(2).

You know the drill. Just plop each number in for x.

If find f(-2), f(-1), and f(0).

This function is a little more gnarly, but we still just need to plug and chug. First off, find f(-2) by plugging in x = -2.

Now do the same with x = -1.

Bzzzt. We can't divide by 0, so f(-1) is undefined. Last up, we track down f(0).