As a Shoe Factory Adds More Workers, Shoe Production Grows

Multiple Choice

As a shoe factory adds more workers, shoe production grows, reaches a maximum, and then shrinks. In a diagram that has the number of workers on the horizontal axis and the number of shoes on the vertical axis, the relationship between the number of workers and the number of shoes starts as _{--------------------} and then, after the maximum point, is _{--------------------}.

A) linear; negative
B) positive; linear
C) positive; nonexistent
D) positive; negative
E) negative; positive