Find a power series representation for the function and determine the radius of convergence. 
Definitions:
Regression Analysis
A set of statistical processes for estimating the relationships among variables.
Least Squares Line
A line that minimizes the sum of the squares of the vertical distances of the points from the line, used in linear regression analysis.
Predicted Amount
A rephrased term for predicted values, indicating the numerical estimates generated by a predictive model.
Simple Linear Regression Model
A statistical method for understanding the relationship between two continuous variables by fitting a straight line to the observed data.
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