35. If you do an Internet search on formulas for "ideal body weight" (IBW), one that comes up frequently was created by Dr. B. J. Devine. His formula states IBW for men (in kilograms) 50 + (2.3 kg per inch over 5 feet) IBW for women (in kilograms) = %3D 45.5 + (2.3 kg per inch over 5 feet) a. Write the functions for IBW (in kg) for men and women, Wmen (h) and W inches. Give a reasonable domain for each. women (h), where h is a person's height in b. Evaluate Wmen (70) and W, women (66). Describe your results in terms of height and weight. c. Evaluate W-men(77.6). What does this tell you? d. Given that 1 lb = 0.4356 kg, alter the functions to create (h) and W. pounds rather than kilograms. W. (h) so that the weight is given in newmen newwomen e. Use your functions in part (d) to find W- What does this tell you? (125). newwomen

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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.