which of the following models cannot be identified as linear? what model is linear what model is linear how to identify models as linear or non linear? what model is non linear what is non linear model how to identify models as linear or nonlinear describe the model in which a non linear model cannot be determined. which model is linear or non linear what model is non linear? how to identify models as linear or non linear which model is non linear which model in the following formula is linear? what are models of non linear what is non linear model example which model is linear or non-linear what model is linear and non-linear what type of model is linear and nonlinear identify a model as linear or non linear what is linear model