Wikipedia reports that the phenomenological model for temperature dependence of resistivity in noncrystalline semiconductors is ρ = Aexp (T −1 ) n where n = 2, 3, or 4 depending on the dimensionality...

Wikipedia reports that the phenomenological model for temperature dependence of resistivity in noncrystalline semiconductors is ρ = Aexp (T
⁻¹) n where n = 2, 3, or 4 depending on the dimensionality of the system. If you knew that functional relation, you would have one coefficient, A, to fit the model to data. Is that linear or nonlinear regression? Explain.