Question

Emails per Day by Age
1)
40
Average Emails per Day
10
0
12
244
36
58
60
72
Age
a) Describe what the trend of the data points is telling you.
b) Use the line of best fit to estimate how many emails you would get at age 40. Is this
interpolation or extrapolation? How do you know?
c) How old are you if you are receiving 15 emails per day?

Answer 1

A gardener can increase the number of dahlia plants in an annual garden by either buying new bulbs each year or dividing the existing bulbs to create new plants . The table below shows the expected number of bulbs for each method

Part A
For each method,a function to model the expected number of plants for each year

Part B
Use the Functions to Find the expected number of plants in 10 years for each method.

Part C
How does the of plants in five years compare to the expected number of plants in 15 years !Explain how these patterns could affect the method the gardener decides to use.