The following chart shows student population in a certain elementary school over a 5 year period.2010 2011 2012 2013 2014YearStudents 645 690 730 755765What is the average rate of change in the number of students from 2010 to 2012?Students/YearWhat is the average rate of change in the number of students from 2011 to 2014?Students/Year

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Answered: The following chart shows student…

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter3: Functions

Section3.3: Rates Of Change And Behavior Of Graphs

Problem 27SE: Table 4 gives the population of a town (in thousand) from 2000 to 2008. What was the average rate of...

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Table 4 gives the population of a town (in thousand) from 2000 to 2008. What was the average rate of change of population (a) between 2002 and 2004, and (b) between 2002 and 2006?
Depreciation Once a new car is driven away from the dealer, it begins to lose value. Each year, a car loses 10% of its value. This means that each year the value of a car is 90% of the previous year’s value. If a new car was purchased for $20,000, the value at the end of the first year would be $20000(0.90) and the value of the car after the end of the second year would be $20000(0.90)2. Complete the table shown below. What will be the value of the car at the end of the eighth year? Simplify the expression, to show the value in dollars.
In Example 7, find the average speed of the car (a) from t1=0tot2=1 second and (b) from t1=1 second to t2=4 seconds.
Table 3 gives the annual sales (in millions of dollars) of a product from 1998 to 20006. What was the average rate of change of annual sales (a) between 2001 and 2002, and (b) between 2001 and 2004?
An electric company charges 10 per month plus 20 for each kilowatt-hour kwh of electricity used. a. Find a function that gives the total cost C of x kwh of electricity. b. Find the total cost of using 775 kwh. c. Find a function that gives the mean cost kwh C, when using x kwh. d. Find the mean cost per kwh when 775 kwh are used. Round to the nearest hundredth. e. Find the mean cost per kwh when 3200 kwh are used. Round to the nearest hundredth.
Find the positive geometric mean between 4 and 64.

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