JADENMACHINE755 JADENMACHINE755 26-05-2023 Mathematics contestada an example of a first-order model with three predictor variables is y ^2 =β0+ β1x1 + β2x2 + β3x3 + ε y = β0 + β1x1 + β2x2 + β3x3 + ε y = β0 + β1x^2 + β3x3 + ε y = β0 + β1x1 + β2x2 + ε