Please help me... Suppose f(t)=A*2^(0.02t) represents the bacteria in a culture t minutes from the start of an experiment. Give an expression for the number of minutes needed for the bacteria to double.

Question

perl · Answer

we want to solve f(t) = 2A, where A represents the number of bacteria at the beginning of the experiment ( at t=0)

anonymous · Answer

and dn?

actually d answer here is 50ln2 yet i have no solution...

perl · Answer

right, you have to solve it, so plug in 2A = A * 2^(.02*t)  and solve. (hint, divide both sides by A)