Concept explainers
a
Use a graphing utility to create a
a
Answer to Problem 26PS
Explanation of Solution
Given information:
Use a graphing utility to create a scatter plot of the data.
Calculation:
The scatter plot of the data is as given.
Hence the result is shown in plot.
b
Verify that the model is linear model, an exponential model, or a logarithmic model,
b
Answer to Problem 26PS
Explanation of Solution
Given information:
Decide whether the data could best be modelled by a linear model, an exponential model, or a logarithmic model.
Calculation:
Let cosider the points,
Hence, the best model is logarithmic model.
c.
Explain why you chose the model you did in part (b)
c.
Answer to Problem 26PS
Explanation of Solution
Given information:
Explain why you chose the model you did in part
Calculation:
Let cosider the graph is plotted in part
Hence, the best model is logarithmic model.
d.
Use the regression feature of the graphing utility to find the model you chose in part
d.
Answer to Problem 26PS
Explanation of Solution
Given information:
Use the regression feature of the graphing utility to find the model you chose in part
Calculation:
Consider the
The scatter plot of data is,
Hence the required model is,
e.
Determine how well the model you chose fits the data.
e.
Answer to Problem 26PS
The graph shows that, the model fit for the data points.
Explanation of Solution
Given information:
Determine how well the model you chose fits the data.
Calculation:
Hence, from the graph we get the model fit for the data points.
Chapter 3 Solutions
EBK PRECALCULUS W/LIMITS
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