Linear Functions in Various Forms: How to determine if a function is linear or non-linear. Answer BOTH prompts. Lable each part of your A) and B).

A) Does this table represent a linear function? Why or why not? (Include your supporting evidence). (10pts)

x y
2 5
4 8
6 12
8 17
10 23

B) Explain, with at least 2 sentences, how to determine if a graph is increasing or decreasing based on the x- and y-values.