Concept explainers
For Exercises 1-4, choose the correct letter.
What function can be used to model data pairs that have a common ratio?
A. linear
B. quadratic
C. exponential
D. none of the above
To find : Which function can be used to model data pairs that have a common ratio.
Answer to Problem 3STP
Option (C) is correct.
Explanation of Solution
Given information :
The data pair have a common ratio.
Calculation :
To find the type of model from the given set of data use the followings:
- If the first difference of the y values is common, then linear model fits the data
- If the second difference of the y values is common, then quadratic model fit the data.
- If the y values have the common ratio, then an exponential model fits he data.
Therefore, if the data pair have a common ratio, then exponential function best models the set of data points
Hence,
Option (C) is correct.
Chapter 9 Solutions
High School Math 2012 Common-core Algebra 1 Practice And Problem Solvingworkbook Grade 8/9
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