Fine the domain and range of the relation, and indicate whether or not it is a function.
y=2x+3

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

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.)

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.