Homework Help: precalculus

Posted by josh on Wednesday, March 2, 2011 at 1:18pm.

A bacteria culture initially contains 1500 bacteria and doubles every half hour.

a) Find an expression for the number of bacteria after t hours.
Q(t)=

b) The number of bacteria after 20 minutes is (the answer must be an integer)

c) The number of bacteria after 9 hours is

precalculus - agrin04, Wednesday, March 2, 2011 at 11:24pm
(a) 1500*2^(t/0.5) = 1500*2^(2t)
(b) 1500*2^(2*20/60) = ?
(c) 1500*2^(2*9) = ?
precalculus - Tsamchoe, Sunday, November 25, 2012 at 3:49pm
b

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