Math 107 - Fall 2017 University of Maryland University College Quiz 3 - 15 September 2017 ate Algebra Review of Intermedi- There are five (5) problems in this third Quiz. These problem represent the highlights from Week 3 work as stated in the syllabus. Please solve these problems and submit your solutions to your Assignment Folder. By Downloading this quiz, you agree to abide by the policies and practices of the University of Maryland University College Code of Conduct for Honesty, Integrity and Best Practices. 1. The population of Flint, MI decreased as a result of water issues from 124,943 in the year 2000 to 112,900 in 2008 Find the average rate of change in the population over the 8-year period noted. 2. Pressures at sea depths are expressed in atmospheres (atm) by the following equation for this problem: 1 P(d) = 33 d +1 Where the function P gives pressure in atm, and d is the depth in feet under the ocean. Please find: a. P(0) b. P(5) c. P(10) d. P(33) e. P(200) 1 Using linear regression, model the following data. The table contains world internet users in millions (Source: International Telecommunication Union; ICT database). Model the data as a linear function. Note the x and y are tabulated. Your answer will be an equation in the form y = mx +b Year, x Internet users, y 2001, 0 494.1 2002, 1 679.8 2003, 2 790.1 2004, 3 935.0 2005, 4 1047.9 2006, 5 1217.0 2007, 6 1402.1 2008, 7 1542.5 1 Another Internet user problem! In 2008, there were about 1543 million internet users in the world. This was 65% more users than in the year 2004 (Source: International Telecommunications Union, ICT indicators database). How many world Internet users were there in 2004? Show the equation, not just the answer! 3. This one is appropriate for the upcoming tax season. In 2014, 36.3% of all tax filers paid no income tax. This percentage is 10.7% more than the percentage of filers in 2004 who paid no income tax (Source: Tax Foundation). Find the percentage of tax filers that paid no income tax in 2004