Question

Decide whether each function is linear or nonlinear from its graph. Function ! Function II Function III y 8 8 4 4- - -8 4 8 44 -& da Function I is a Vfunction. Function Il is a function. Function Ill is a function. w

Answer 1

A linear function has a constant slope or rate of change for all the domain.

The only linear function is Function II.

Function I is a parabola and Function III is an absolute value function. Both functions are non-linear, as there are more than one value for the rate of change (it depends on the points where it is calculated).

Answer:

Function I: non-linear

Function II: linear

Function III: non-linear