What number (X) comes next in the series (17, 9, 18, 7, 19, 5, 20, X) 3
4
16
21
23

17, 9, 18, 7, 19, 5, 20, X

Bold: 17, 18, 19, 20,

Other: 9, 7, 5, 3, 1

I think the answer is 3

the final function for the graph becomes x-2=-1. before graphing you solve the equation, where x=1. then graph accordingly.   ( on the x-axis, 1 on the line will possess a vertical line.)

i would pic false cause it goes down towards negative

step-by-step explanation: