Lidocaine is a drug used to treat irregular heartbeats. after an injection of a 100 mg dose of lidocaine, the amount of the drug in a patient's bloodstream is given by the formula below at time t minutes after the injection. 33.67(e? 0.0075731t ? e? 0.12043t) mg (a) make a graph of the amount of drug in the bloodstream for t up to 4 hours (240 minutes). maple generated plot maple generated plot maple generated plot maple generated plot
(b) when does the drug reach its maximum level in the bloodstream? (round your answer to two decimal places.) min
(c) for a person of typical size, the drug is effective as a long as the amount in the bloodstream is at least 7.5 mg. for how long is the drug at or above that level? (hint: the drug is at that level twice. round your answer to two decimal places.) min
(d) for a person of typical size, the lethal level is when the amount in the bloodstream exceeds 30 mg. is this dose lethal for such a person? yes no
(e) for a small person, the lethal level is when the amount in the bloodstream exceeds 15 mg. is this does lethal for such a person? yes no if so, after how many minutes will it be lethal? (if the dose is not lethal, enter not lethal.) min