Question

I don’t know what to do

Answer 1

(This is one of my favorite things in math ever!!! It's a lot more simple than it looks)

Explanation:

So you take the input number and subtract it from four. So in the second box (x-4) You place the input number and subtract it from four. For example, 4-4. Then you put the answer in the output box.

I hope this helps! :)

Answer 2

1a: 0

1b: 2

1c:2

Explanation:

You take The first number and minus 4 from it then you have your y