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Let cc Be a Positive Number dydt=ky1+c\frac { d y } { d t } = k y ^ { 1 + c }

Question 8

Multiple Choice

Let cc be a positive number. A differential equation of the form
dydt=ky1+c\frac { d y } { d t } = k y ^ { 1 + c }
where kk is a positive constant is called a doomsday equation because the exponent in the expression ky1+ck y ^ { 1 + c } is larger than the exponent 1 for natural growth. An especially prolific breed of rabbits has the growth term ky106k y ^ { 106 } . If 3 such rabbits breed initially and the warren has 27 rabbits after 3 months, then when is doomsday?


A) 47.0347.03 months
B) 97.0397.03 months
C) 67.0367.03 months
D) 137.03137.03 months
E) 117.03117.03 months

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