Suppose that the oxygen level P (for purity) in a body of water t months after an oil spill is given by 
. Find how long it will be before the rate of change of P is maximized. That is, find the point of diminishing returns.
?
A. 
B. 
C. 
D. 
E. none of the above
Answer: D
Mathematics
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The rate of growth of a population of N individuals is 
. Write an equation of change that is satisfied by N.
?
A. 
B. 
C. 
D. 
Mathematics
Find the equation of the given function with the given amplitude, period, and displacement, respectively.cosine, 4, 5, -8
A. y = 8 cos 
B. y = 4 cos 
C. y = 2 cos 
D. y = 4 cos 
Mathematics
Verify that each equation is an identity.
+ 1 = 2 sin2?
What will be an ideal response?
Mathematics
Use a calculator to give the real number value. Round the answer to 7 decimal places.y = sin-1(0.6561)
A. 0.5806515 B. 0.6809524 C. -0.7158730 D. 0.7156393
Mathematics