Solve the problem.The spread of a cold virus can be modeled using logistic equations. The key assumption is that at any given time, a fraction y of the population, where 0 ? y ? 1, has the virus, while the remaining fraction 
does not. Furthermore, the cold virus spreads by interactions between those who have it and those who do not. The number of such interactions is proportional to y(1 - y). Therefore, the equation that describes the spread of the virus is 
where k is a positive real number. Assume
src="https://sciemce.com/media/4/ppg__tttt0613190828__f1q15g3.jpg" alt="" style="vertical-align: -4.0px;" /> and solve the initial value problem where the number of people who initially have the cold virus is 
A. y = 
B. y = 
C. y = 
D. y = 
Answer: C
Mathematics
src="https://sciemce.com/media/4/ppg__tttt0613190828__f1q15g3.jpg" alt="" style="vertical-align: -4.0px;" /> and solve the initial value problem where the number of people who initially have the cold virus is
A. y =
B. y =
C. y =
D. y =
Answer: C
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Find the length of the curve.x = 
+ 
from y = 1 to y = 4
A. 
B. 
C. 
D. 
Provide an appropriate response.Explain why 
and -
represent the same number.
What will be an ideal response?
List the like terms of the expression.-13xy + 5xy2 - 9x2y - 4xy2 + xy
A. 5xy2 and - 4xy2 are like terms B. -13xy and xy are like terms 5xy2, - 9x2y, and - 4xy2 are like terms C. -13xy and xy are like terms 5xy2 and - 4xy2 are like terms D. -13xy and xy are like terms
Solve.Find an equation for the hyperbola with vertices (2, 0) and (2, 4) and e = 10.
What will be an ideal response?