1. Find all the open intervals of increase and decrease of t…

1. Find all the open intervals of increase and decrease of the function . A   Open interval of increase:  open interval of decrease:  B   Open interval of increase:  open interval of decrease:  C   Open interval of increase:  open interval of decrease:  D   Open interval of increase:  open interval of decrease:  E   Open interval of increase: 

15. A new fast-food firm predicts that the number of franchi…

15. A new fast-food firm predicts that the number of franchises for its products will grow at the rate , where t is the number of years. If there is one franchise  at present , how many franchises are predicted for  years from now? A   B   C   D   E  

Mr. Gonzalez is working with a small group of children while…

Mr. Gonzalez is working with a small group of children while the rest of the class works independently. During the lesson, he notices that Jessie and Tian are off task, whispering about the class guinea pig. When he checks a little later, they don’t seem to be getting back on task. He should