The Relationship of Y to Four Other Variables Was Established

Multiple Choice

The relationship of Y to four other variables was established as Y = 12 + 3X₁ - 5X₂ + 7X₃ + 2X₄. When X₁ increases 5 units and X₂ increases 3 units, while X₃ and X₄ remain unchanged, what change would you expect in your estimate of Y?

A) Decrease by 15
B) Increase by 15
C) No change
D) Increase by 5