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The population p(t) at time t of a certa...

The population p(t) at time t of a certain mouse species satisfies the differential equation `(d p(t)/(dt)=0. 5 p(t)-450` If `p(0)""=""850` , then the time at which the population becomes zero is (1) 2 ln 18 (2) ln 9 (3) `1/2` In 18 (4) ln 18

A

2 log 18

B

log 9

C

`(1) / (2) log 18`

D

log 18

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BITSAT GUIDE-DIFFERENTIAL EQUATIONS-BITSAT ARCHIVES
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