(a)
We have been given an equation 
. Upon taking derivative of this equation with respect to x on both the sides, we get:
(b)
In order to write the equation of tangent line, we need to find the slope of the line. We know that point (3,11) lies on the graph. Therefore, we write the slope of the tangent as:
Therefore, equation of tangent line is:
(c)
We know that slope of tangent is given as 
. The tangent will be vertical when denominator of slope is zero, that is:
Answer:
A peace treaty is an agreement between two or more hostile parties, usually countries or governments, which formally ends a state of war between the parties
You could say he has the <span>initiative or ready and willing. Commited or ownership of the problem</span>
E. The number of farms per square kilometer
