2. A Norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window. The perimieter of the window is 16 feet. (a) Write the area A of the window as a function of z. (b) What dimensions will produce a window of maximum area?

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.