Concept explainers
To find: The function is linear/non-linear and the intercepts of the graph and symmetry.
Explanation of Solution
Graph: the graph of the function is given below
Interpretation: As seen in the graph above the curve has a varying slope, hence it is a non-linear function which is asymmetrical in nature.
Throughout the given data the value of y and x are positive hence the graph is always positive.
As the value of x increases from 1980 to 2000 the value of y is also increasing,
Then from 2000 to 2005 the value of y decreases and then again the value of y increases,
Hence the function is increasing for
And decreasing for
The relative extrema for the above graph will be at x=2000, x=2005 and at x=2015 as only at these 3 points the function changes its slope from either positive to negative or negative to positive.
Chapter 1 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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