Which Statement Is Correct Concerning the Learning Curve Function

Multiple Choice

Which statement is correct concerning the learning curve function?

A) This function shows how the amount of time required to perform a task goes up per unit as the number of units increases.
B) This function shows how the amount of time required to perform a task goes down per unit as the number of units increases.
C) This function shows how the amount of time required to perform a task goes up per unit as the number of units decreases.
D) This function shows how the amount of time required to perform a task goes down per unit as the number of units decreases.