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ata e function H(d), where 1.3.4 Try It: Evaluating and Interpreting 1.3.5 nd d represents the Functions 1. For groups of 80 or more people, a charter bus 1. The size 10 12 14 company determines the rate per person according to z(t) = t the formula R(n) = 8-0.05(n -80), where n represents microns 18 22 28 the number of people and R represents the rate, in dollars, charged to each customer. A graph a. Find each value and interpret it in context. ntence to Using th in this context. approxi R(75) = and inte a height of meanin a. z(3 R(85) = _ b. z h Why is R(75) > R(85) in this context