One model for the ideal body weight W for men (in

Chapter 5, Problem 91

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One model for the ideal body weight W for men (in kilograms) as a function of height h (in inches) is given by the function W1h2 = 50 + 2.31h - 602 (a) What is the ideal weight of a 6-foot male? (b) Express the height h as a function of weight W. (c) Verify that h = h1W2 is the inverse of W = W1h2 by showing that h1W1h22 = h and W1h1W22 = W. (d) What is the height of a male who is at his ideal weight of 80 kilograms? [Note: The ideal body weight W for women (in kilograms) as a function of height h (in inches) is given by W(h) = 45.5 + 2.3(h - 60).]

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