Write a model that utilizes all three explanatory variables with no interaction or quadratic terms. Choose the correct answer below.
A. y i = B<sub>0</sub> + B1x1 + B2x2 + B3x3 + e i
B. y i = B<sub>0</sub> + B1x1 + B2x2 + B3x3x2 + e i
C. y i = B1x1 + B2x2 + B3x3 + ei
D. None of the above equations satisfy all of the conditions
A. y i = B<sub>0</sub> + B1x1 + B2x2 + B3x3 + e i
A. y i = B<sub>0</sub> + B1x1 + B2x2 + B3x3 + e i
B. y i = B<sub>0</sub> + B1x1 + B2x2 + B3x3x2 + e i
C. y i = B1x1 + B2x2 + B3x3 + ei
D. None of the above equations satisfy all of the conditions
A. y i = B<sub>0</sub> + B1x1 + B2x2 + B3x3 + e i