Find an equation of the line having the given slope and containing the given point. m = 0; (0, 5)
A. x = 5
B. y = 5
C. y = 5x
D. x = 5y
Answer: B
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Simplify.cos(u + v) cos v + sin(u + v) sin v
A. cos u B. cos u (1 + cos2 v) C. cos v D. sin v
Find the linearization L(x) of f(x) at x = a.f(x) = 
, a = 0
A. L(x) = - 
x - 
B. L(x) = 
x - 
C. L(x) = 
x + 
D. L(x) = - 
x + 
Solve the problem.A wild animal preserve can support no more than 120 elephants. 48 elephants were known to be in the preserve in 1980. Assume that the rate of growth of the population is 
= 0.0003P(120 - P)where t is time in years. Find a formula for the elephant population in terms of t. Let 1980 correspond to 
A. P = 
B. P = 
C. P = 
D. P = 
A biology class performs an experiment comparing the quantity of food consumed by a certain kind of moth with the quantity supplied. The model for the experimental data is given by
?
?
?
where x is the quantity (in milligrams) of food supplied and y is the quantity (in milligrams) of food consumed.
Select the correct graph of this model.
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A. ?
B. ?
C. ?
D. ?
E. ? 