The Following Figure Shows Two Aggregate Production Functions

Multiple Choice

The following figure shows two aggregate production functions.

-Refer to the figure above.Which of the following statements holds true regarding aggregate production function 2?

A) Up to point B, as aggregate output increases, physical capital also increases.
B) As physical capital increases, aggregate output remains constant.
C) As aggregate output increase,s human capital remains constant.
D) Up to point A, as aggregate output increases, human capital also increases.