The owners of a restaurant are interested in analyzing the productivity of their staff. The function (picture below) models the total number of customers, N, served by the staff after t hours during an 8-hour workday (0

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter2: Equations And Inequalities

Section2.3: Quadratic Equations

Problem 51E

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Question

The owners of a restaurant are interested in analyzing the productivity of their staff. The function (picture below) models the total number of customers, N, served by the staff after t hours during an 8-hour workday (0<t<8). Determine the rate, to the nearest tenth, at which the customers are being served at 4 hours.