Questions Asked in Previous 10 Years' Exams The population \( p(t) \) at time \( t \) of a certa...

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Questions Asked in Previous 10 Years' Exams
The population \( p(t) \) at time \( t \) of a certain mouse species satisfies the differential equation \( \frac{d p(t)}{d t}=0.5(t)-450 \). If \( p(0)=850 \), then the time at which the population becomes zero is
(a) \( 2 \log 18 \)
[2012 AEEE]
(c) \( \frac{1}{2} \log 18 \)
(b) \( \log 9 \)
(d) \( \log 18 \)
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