Question

Input (x): 0, 1, 2, 4
Output (y): 4, 3, 2, 0

Write a rule for this function..

Thank you :D

Answer 1

I tagged you julie in your closed question. It has an explanation on how to write it :)

Answer 2

\(\Huge\color{#EB00FF}{\text{WELCOME}}\) \(\Huge\color{blue}{\text{TO}}\) \(\Huge\color{green}{\text{OPEN}}\)\(\Huge\color{purple }{\text{ STUDY!!!!!!!!!!!}}\) \(\Huge\heartsuit\)