Let A = {1, 2, 3,...,14). Define a relation R from A to A by R = {(x, y): 3x - y = 0, where x, ye A). Write down its domain, codomain and range.​

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes. she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?