Compute the following values when the log is defined by its principal value on the open set U equal to the plane with the positive real axis deleted. a. log i
b. log(-1)
c. log(-1 + i)
d. i^i
e. (-i)^i

Adoctor administers a drug to a 38-kg patient, using a dosage formula of 50 mg/kg/day. assume that the drug is available in a 100 mg per 5 ml suspension or in 500 mg tablets. a. how many tablets should a 38-kg patient take every four hours? b. the suspension with a drop factor of 10 ggt/ml delivers the drug intravenously to the patient over a twelve-hour period. what flow rate should be used in units of ggt/hr? a. the patient should take nothing pills every four hours. (type an integer or decimal rounded to the nearest hundredth as needed.)

How many solutions does the nonlinear system of equations graphed below have?

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?