Answer:
4+(n-1)*6= -2n+4
Step-by-step explanation:
We have,

To express periodic number calculated we use:

Hope this helps.
r3t40
Answer:
Not a function
Step-by-step explanation:
This is not a function because there are different outputs for the same input.
What’s the original question and I can help!
Answer:
398
Step-by-step explanation: