Solve the problem.The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in inches: 
What rainfall produces the maximum number of mosquitoes?
A. 15 in.
B. 7.5 in.
C. 0 in.
D. 225 in.
Answer: B
You might also like to view...
Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = -3x2, [0, 4], left-hand endpoint
A. 
B. 
C. 
D. 
Use a calculator to find a decimal approximation for the indicated function values. Round your answer to four decimal places.cos(-3.92)
A. -0.7120 B. -0.7021 C. 0.7120 D. 0.7021
Find the center of mass of a thin plate of constant density covering the given region.The region enclosed by the parabolas y = - x2 + 18 and y = x2
A. 
= 0, 
= 
B. 
= 0, 
= 9
C. 
= 0, 
= 18
D. 
= 9, 
= 0
Looking at the curve in the graph below, you can draw the following conclusions:
a. RD and rd are equal.
b. Vf has no effect on If.
c. If decreases as Vf increases.
d. The resistance decreases as Vf increases.
e. The resistance increases as Vf increases.