27 8 3 12 9
what is the sequence

add 5, add 1, subtract 5, add 9, subtract 3.

Step-by-step explanation:

you add, then add again, and then subtract, then add again, and then subtract again.

step-by-step explanation:

once you graph it hit 2nd (the blue button) and graph

that takes you to a table of coordinates

on the left is x coordinates and on the right is y coordinates and an empty box

(you may have to scroll up/down in order to get ( x, 0)