In the Regression Equation Y = 1959

Multiple Choice

In the regression equation y = 1959.71 − 0.46 x₁ + 2.16 x₂,suppose that the you are considering the point (x₁,x₂) = (1.5,0.5) ,and furthermore,suppose that the variable x₁ increases by a factor of 2 (i.e.,it doubles) .What must be the change in the variable x₂ so that y remains unchanged?

A) 2.16
B) −2.16
C) 0.319
D) −0.319
E) 0.638