The "Verhulst model" for population growth specifies the reproductive rate of an organism as a function of the total population according to the following formula:
?
?
where p is the total population in thousands of organisms, r and k are constants that depend on the particular circumstances and organism being studied, and R(p) is the reproduction rate in thousands of organisms per hour. If 
and 
, find 
.
?
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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Find dy/dt.y = (1 + sin 11t)-4
A. -4(1 + sin 11t)-5 cos 11t B. -44(cos 11t)-5 C. -4(1 + sin 11t)-5 D. -44(1 + sin 11t)-5 cos 11t
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Use the order of operations agreement to simplify the given expression.
? 
- 3
A. 
B. 
C. 
D. 
Mathematics
Write the following in exponential form. Assume that all variables represent positive values.
A. 
B. (5m + 9)-6/5
C. (5m + 9)5/6
D. (5m + 9)6/5
Mathematics