A Multiple Regression Model Has the Estimated Form $\hat { y }$

Multiple Choice

A multiple regression model has the estimated form $\hat { y }$ = 5 + 6x + 7w

As x increases by 1 unit (holding w constant) , y is expected to

A) increase by 11 units.
B) decrease by 11 units.
C) increase by 6 units.
D) decrease by 6 units.