In Exercise 3 determine whether the table represents a linear or nonlinear function. explain.

Answer: linear
Step-by-step explanation:
Notice every time x increases by 1, y increases by 3.
Slope formula:
m=(y2-y1)/(x2-x1)
m=(8-5)/(4-3)
m=3/1
m=3
Slope is 3, so function is linear