What is the equation of the following graph in vertex form? O y = (x - 1)
O y = (x - 1)2 + 1
O y = (x + 1)2 - 1
O y = (x + 1)2

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?