The data in the table gives the percentage of MySpace users who are a certain age. Use the data for females. MySpace Users of a Certain Age and Gender as a Percentage of all MySpace Users Age (years) Female, f (percent) Male (percent) 17 9.6 8.8 19 7.8 7.6 21 6.1 6.0 23 5.1 4.6 25 4.3 4.0 27 3.8 4.4 29 2.4 2.7 31 2.1 1.9 33 1.2 1.5 35 1.1 1.3 (a) Align the input data to the number of years after 17. Find the exponential model for the female MySpace user data in percentage of all MySpace users by filling in the blanks. (Round all numerical values to three decimal places.) The function f(x) = ________ is the percent of female MySpace users who are ______ years old, data from _____ ≤ x ≤ _______ (b) According to the unrounded model reported in part (a), what is the percentage change in the percentage in your model? (c) What percentage of female MySpace users are 24 years old? (Round your answer to one decimal place.) (d) What percentage of female MySpace users are 34 years old? (Round your answer to one decimal place.
The data in the table gives the percentage of MySpace users who are a certain age.
Use the data for females.
as a Percentage of all MySpace Users
Age (years) |
Female, f (percent) |
Male (percent) |
---|---|---|
17 | 9.6 | 8.8 |
19 | 7.8 | 7.6 |
21 | 6.1 | 6.0 |
23 | 5.1 | 4.6 |
25 | 4.3 | 4.0 |
27 | 3.8 | 4.4 |
29 | 2.4 | 2.7 |
31 | 2.1 | 1.9 |
33 | 1.2 | 1.5 |
35 | 1.1 | 1.3 |
(a) Align the input data to the number of years after 17. Find the exponential model for the female MySpace user data in percentage of all MySpace users by filling in the blanks. (Round all numerical values to three decimal places.)
The
(b) According to the unrounded model reported in part (a), what is the percentage change in the percentage in your model?
(c) What percentage of female MySpace users are 24 years old? (Round your answer to one decimal place.)
(d) What percentage of female MySpace users are 34 years old? (Round your answer to one decimal place.)
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images