Question

What is f(3)? –9 –1 1 9

Answer 1

It's the last answer, or 9.

Explanation - Questions that tell you to find F(X) want you to go on the X column, not the column that says F(X.)

Now it says to find F(3), so go down the X column until you find 3. The number to the right of 3 is 9, so your answer must be 9.  

Answer 2

The second because that the correct answer