Body surface area is an important piece of medical information because it is a factor in temperature regulation as well as some drug level determinations. The Mosteller formula gives one way of estimating body surface area B in square meters. The formula uses the weight w in kilograms and the height h in centimeters. The relation is 8- V hw 60 In this exercise we consider people who are 170 centimeters tall. (a) Write a formula for B as a function of w. B- (b) Make a graph of B versus w. Include weights up to 100 kilograms. B 3.0r 30 25 25 5 20 - 20 15 1.5 10 1.0 0s 05 20 40 60 80 100 20 40 60 80 100 3.0r 3.0 25 25 20 20 15 1.5 1.0 1.0 05 0.5 20 40 60 80 100 20 40 60 80 100

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Domain

In simple mathematics terms, a domain is defined as the space on which all the possible inputs for the function will lie. It can also be expressed as a set of departures for the required function.