1. You are advised that the relationship between unit price p, and the quantity q is given by the function p = 78 – 0.75q – 0.25q2 , a. Find an expression for dp/dq B. Hence find the changes in p with respect to q, when p = 9.

1. You are advised that the relationship between unit price p, and the quantity q is given by the function p = 78 – 0.75q – 0.25q2 , a. Find an expression for dp/dq B. Hence find the changes in p with respect to q, when p = 9.

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter9: Systems Of Linear Equations

Section9.6: Wind And Water Current Problems

Problem 14OE

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Question

1. You are advised that the relationship between unit price p, and the quantity q is
given by the function p = 78 – 0.75q – 0.25q2 ,

a. Find an expression for dp/dq

B. Hence find the changes in p with respect to q, when p = 9.

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