The frst year of a charity walk event had an aftendance of 500. The attendance y increases by 5% each year. a) Write an exponential growth function to represent this situation. b.) How many people will attend in the 10th year? Round your answer to the nearest person. 69 5n 4. 3. 2. 1.

Use log. Differantion

Web conferencing has grown over the last 20 years. The amount (in millions of dollars) spent on Web conferencing from 2006 through 2010 is listed in the table. year 2006 2007 2008 2009 2010 Amount 920 1160 1380 1600 1900 a. What is the average rate of change in the amount spent on Web conferencing from 2006 to 2008? Include units. Units are required for this answer. X b. What is the average rate of change in the amount spent on Web conferencing from 2007 to 2008? Include units. c. What is the average rate of change in the amount spent on Web conferencing from 2008 to 2010? Include units. d. What is the average rate of change in the amount spent on Web conferencing from 2008 to 2009? Include units. e. Give a good approximation for the rate of change in the amount spent on Web conferencing by the end of 2008? Include units.

bable Use the properties of exponential functions (p. 65) to find the unknown value(s) of x in the following equation. Report answer(s) as integers or ratios of integers. ex2-3 - e-2x = 0

Complete calculations by hand 3. 2

The bar graph shows that life expectancy, the number of years newborns are expected to live, in a particular region has increased dramatically since ancient times. Find the percent increase in average life expectancy of the region from the Stone Age to 2016. % (Round to the nearest integer as needed.) Average Life Expectancy (years) 30- 20- 10- 80- 70- 60- 50- 40- ཚོ☁༄༅༤ a 71 60 a 49 G 24 26 29 31 Age Greece Ages Stone Ancient Middle 1900 1950 Time Period/Year 1980 2016