MATH 107 QUIZ 5June-July, 2016Instructor: S. SandsNAME:_______________________________I have completed this assignment myself, working independently and not consulting anyone except the instructor.INSTRUCTIONSThe quiz is worth 100 points, and there is an extra credit opportunity at the end. There are 10 problems. This quiz isopen bookandopen notes. This means that you may refer to your textbook, notes, and online classroom materials, butyou must workindependently and may not consult anyone(and confirm this with your submission). You may take as much time as you wish,provided you turn in your quiz no later thanSunday, July 3.Show work/explanation where indicated. Answers without any work may earn little, if any, credit.You may type or writeyour work in your copy of the quiz, or if you prefer, create a document containing your work. Scanned work is acceptable also.In your document, be sure to include your name and the assertion of independence of work.General quiz tips and instructions for submitting work are posted in the Quizzes module.If you have any questions, please contact me by e-mail or phone (540-338-7120).1. (4 pts) Which of these graphs represent a one-to-one function?Answer(s): ____________(no explanation required.)(There may be more than one graph that qualifies.)(A)(B)(C)(D)
2. (6 pts) Based on data about U.S. households, the following logarithmic model was determined:f(t) = 4645.3 ln(t)35240,wheret= year andf(t) = number of U.S. households with cabletelevision, in millions of households.(Note that "ln" refers to the natural log function)(explanation optional)Using the model,(a) How many U.S. households had cable television in the year 1996, to the nearest million?(b) How many U.S. households had cable television in the year 2012, to the nearest million?