ronmentalists are studying the amount of bacteria in a particular lake. Due to treatment efforts to improve the water Based on the graph, what was the initial amount, in millions of bacteria in the lake? ity, the amount of bacteria is now on the decline. graph below represents the amount of bacteria, in millions, with respect to the number of days since treatment gan. 14 12 Bacteria ( 0 0 ol 0 11 0 28 Based on the graph, as the number of days increases, what amount in millions, does the bacteria approach? 00 ol o 11 0 28

fx) = 1,000+25x, where * represents of how many months did the value of the savings bond first begin to exceed the value of the savings account? A. 27 months B. 28 months C. 32 months D. 33 months Part 3: Lesson 4.3 (Graphing Exponential Functions) Standards: F.IF.6, F.IF.7 9. Which point lies on the graph of (1.2-) A. 1. 2 B. C. C2, 18) D. C3, 2) 10. Which is the graph of y = -2(2)*? 8+

The following double-line graph compares the number of actual home sales to the number of homes for sale from 2000 - 2008. Study the graph and answer the questions that follow. Number of units (In thousands) 8000F Home Sates 7000- Homes for Sale 6000+ 5000+ 4000+ 3000+ 2000- 1000+ 2000 2002 2004 2006 2008 Year ✔ *** a. In what year did the biggest drop in home sales occur? By approximately how many units did sales drop? A. 2007; approximately 1,200,000 O B. 2007; approximately 4,800,000 O C. 2008; approximately 4,800,000 O D. 2008; approximately 1,200,000 b. Identify at least two years when the number of sales and the number of homes for sale both increased. O A. 2001, 2002 OB. 2002, 2005 OC. 2002, 2008 OD. 2001, 2003 c. In what year were home sales at their lowest level? In what year were home sales at their highest level? O A. lowest: 2002; highest: 2006 O B. lowest: 2002; highest: 2008 O C. lowest: 2001; highest: 2006 O D. lowest: 2001; highest: 2007 d. Based on your answer to part…

Consider the graph below. Marriage and Divorce Rates (U.S.) 14 ]Marriage |Divorce 12 10 Year Which is the best estimate for the difference between Marriage and Divorce rates in the year 1970? 6000 5000 3000 O 4000 6 2. Rate (number per 1000)

Number 3

Suppose classmates who graduated in 2004 compared their median incomes ten years later. The bar graph displays the median income, in thousands of dollars, for each classmate during the time intervals from 60 43 38 2005-2009 and 2010-2014. 35 35 For the individual with the largest dollar value increase 30 in median income over the two time intervals, 20 determine the amount of increase. Martina Roger Scott Becky Yronne Classmates 2005 - 2009 2010 - 2014 By what percentage did Roger's median income decrease over the two time intervals? Give your answer to the nearest percent. Percentage: % Median income (thousands of dollars)

The consumption function captures one of the key relationships in economics. It expresses consumption as a function of disposal income, where disposable income is income after taxes. The attached file “Quiz_dataset2” shows data of average US annual consumption (in $) and disposable income (in $) for the years 2000 to 2016.  What is the predicted consumption if the disposable income is $30,000?  Select one: a. 2365.7 b. None of the above  c. 32645.9 d. 2365.6