f is a trigonometric function of the form f (x) = a cos (br + c) + d. Below is the graph of f (x). The function has a maximum point at (-2, –3) and a minimum point at (-2.5, –9). Find a formula for f (x). Give an exact expression. f(z) =|

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.