Thus, the probability is $oxed\dfrac4255$.Question: A bioinformatician models the expression level of a gene as a function $ E(t) = ract^2 + 4t + 3t + 1 $, where $ t $ represents time in hours after treatment. Simplify $ E(t) $ and determine $ \lim_t o -1 E(t) $, if it exists. - Portal da Acústica