Solve the problem.The population P of a predator mammal depends upon the number x of a smaller animal that is its primary food source. The population s of the smaller animal depends upon the amount a of a certain plant that is its primary food source. If 
and 
what is the relationship between the predator mammal and the plant food source?
A. P(s(a)) = 9a2 + 12a + 9
B. P(s(a)) = 36a2 + 24a + 21
C. P(s(a)) = 12a + 7
D. P(s(a)) = 36a2 + 48a + 21
Answer: D
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The graph of the given function is drawn with a solid line. The graph of a function, g(x), transformed from this one is drawn with a dashed line. Find a formula for g(x).f(x) = 
A. g(x) = 
B. g(x) = 
C. g(x) = -3
D. g(x) = 
- 3
Solve the problem.A farmer's silo is the shape of a cylinder with a hemisphere as the roof. If the radius of the hemisphere is 10 feet and the height of the silo is h feet, express the volume of the silo as a function of h.
A. V(h) = 4100 ?(h - 10) + 
?
B. V(h) = 100 ?h + 
?h2
C. V(h) = 100 ?(h2 - 10) + 
?
D. V(h) = 100 ?(h - 10) + 
?
Work. In physics, the work W done by a constant force on a point that moves in a straight line varies directly as the point displacement s. If the work becomes 242 J for a displacement of 11 meters, what is the work for a displacement of 20 meters?
 figure 1.png)
Sketch the graph of the equation 
.
?
A. 
B. 
C. 
D. 
E. 