A veterinarian collected data on the association between age and mass of Boxer puppies. A line of best fit was computed. The equation for the line is: y = 17.5x + 480
Which BEST interprets the slope of the linear model?
(1 point)
Each additional day is associated with an additional 17.5 grams of mass.
Every 17.5 days is associated with an additional 480 grams of mass.
Each additional day is associated with an additional 480 grams of mass
The predicted mass of a Boxer puppy at birth.