Use a table of values to graph the following quadratic equation. y=‒x2+4x‒3 what is the vertex of this quadratic equation? (a.) (‒1, 9) (b). (2, 1) (c.) (‒4, 3) (d). (1, ‒9)

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.)