
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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1. Using the functions for each student, predict how many shares each student's post will be received on Day 3 and then on Day 10. Justify your answers.
2. If Amber decides to mail copies of her photo to the 45 residents of her grandmother's assisted living facility, the new function representing her photo shares is f(x) = 3(4)x + 45. How does this graph compare with the original graph of Amber's photo share?
3. Based on your results, which students' post travels the fastest? How is this shown in the equation form of the functions?

Transcribed Image Text:Work Independently
How much do you share on social media? Do you have accounts linked to your computer, phone, and tablet? The average teen spends around
five hours per day online, and checks his or her social media account about 10 times each day.
When an image or post is shared publicly, some students are surprised at how quickly their information travels across the Internet. The scary
part is that nothing online is really private. All it takes is one friend sharing your photo or updates with the public to create a very public viral
trend.
For this project, you will use what you have learned about exponential functions to study what happens if a social media post is shared publicly.
Social Sharing
Three Algebra 1 students are comparing how fast their social media posts have spread. Their results are shown in the following table:
Student
Description
Social Media
Post Shares
Amber
Ben
Amber shared her photo with 3 people. They Ben shared his post with 2 friends. Each of
continued to share it, so the number of those friends shares with 3 more every day, so
shares increases every day, as shown by the the number of shares triples every day.
function.
f(x) = 3(4)x
Day
0
1
2
Number of Shares
2
6
18
Carter
Carter shared his post with
10 friends, who each share
with only 2 people each day.
Carter shared his post with
10 friends, who each share
with only 2 people each day.
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