TESTING CENTER STAFF: The student will log into Hawkes Learning Systems on a computer and access the Unit 2 Test. The proctor will enter the password. Please allow each student up to 1.5 hours for this test. A scientific calculator can be used on this test; however, a graphing calculator is prohibited. All work is to be done on the test paper and turned in upon leaving the testing center. STUDENTS: You have up to 1.5 hours to complete this test. If you arrive with less than 1.5 hours to take your test you may do so at your own risk. Log into Hawkes Learning System and go to WebTests, open the Unit 2 Test and ask the proctor to enter the password. A scientific calculator can be used on this test; however, a graphing calculator is prohibited. If you want your instructor to assign partial credit, your work must be shown on the test paper provided. Enter your answers in Hawkes except for the last 2 pages. These problems are not in WebTest and you are expected to show your answers on the test paper. Leave time for them! When finished, submit your test on Hawkes and turn in your test paper to the proctor A 2nd attempt is only allowed if there is a technical issue with the computer that the proctor can verify. WebTest portion (85 pts) ________ #19 and #20 (15 pts) + ________ Partial credit will be assigned if your work shows significant understanding of the problem. I will add any partial credit to the individual problems in Hawkes. These can be reviewed by the student at a later time. Test Grade = ________ Have any questions or information for your instructor? Write them here: MAT 101 Unit 2 Test - Fall 2014 – ONLINE Instructions: Name _____________________________________ Show your work in order to receive credit. Scientific calculators are permitted on this test. Use pencil, not pen. 1. Step 1: Step 2: ____________________________ 2. 3. Step 1: yes/no Step 2: yes/no 4. Step 1: ____________________________ Step 2: 5. 6. Step 1: Step 2: ____________ 7. Step 1: Step 2-3: 8. 9. 10. 11. 12. 13. 14. 15. Step 1: yes/no Step 2: Domain:____________________ Range: _____________________ 16. Domain:____________________ 17. Step 1: Step 2: 18: Step 1: Step 2: Domain:____________________ Range: _____________________ Step 3: yes/no 19. The percent of U.S. citizens that use the Internet on a daily basis is shown on the graph, where the year 2000 corresponds to x = 0. Use the concepts of y -intercept and slope of the line to find the equation that best models the given data. (5 points) Write your answer in slope-intercept form: _________________________ Percent of U.S. Citizens that use the Internet on a Daily Basis 100 90 80 Percent 70 60 50 40 30 20 10 0 0 1 2 3 4 5 Year 6 7 8 9 10 20. The given table shows the estimated number of internet users from 2001 to 2009, where the year 2001 corresponds to x=1. The number of users for each year is shown in millions. Complete the chart: (3 points) x 2001 2003 2007 2009 1 __ __ __ Internet Users (in millions) 150 185 220 230 Plot these points on the graph and connect the points with line segments. (2 points) Internet Users (in millions) a. Year 240 230 220 210 200 190 180 170 160 150 140 130 0 1 2 3 4 5 6 7 8 9 10 11 12 Year b. Find the slope of the line segment that represents the change in internet users from the year 2007 to 2009. (Round your answer to two decimal places, if necessary.) (2 points) c. Complete the sentence so that it gives the meaning of slope in this application. Circle the correct response. (3 points) “Each year / hour / day the number of users increases / decreases by ___ million.”