FIGURE 2-4 -Refer to Figure 2-4.If We Want to Know the Marginal

Multiple Choice

FIGURE 2-4
-Refer to Figure 2-4.If we want to know the marginal response of "yield per acre" due to a change in "fertilizer applied per acre of wheat" at point B,then we should determine the

A) slope of a straight line tangent to point B.
B) slope of a straight line joining points B and C.
C) yield per acre at 30 units of fertilizer.
D) the slope of a straight line from the origin to point B.
E) quantity of fertilizer applied at point B.