Course: Mathematical Fundamentals Topic: Application of Derivatives in Economic Problems A manufacturer determines that "t" employees will produce a total of "q(t)" units per day, where: If demand equation for product (price) is given by: (a) Determine RATE OF CHANGE of income "I" with respect to "t" workers. b) What is RATE OF CHANGE of income when there are 12 workers?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Course: Mathematical Fundamentals
Topic: Application of Derivatives in Economic Problems
A manufacturer determines that "t" employees will produce a total of "q(t)" units per day, where:

<See attached image 1>

If demand equation for product (price) is given by:

<See attached image 2>

(a) Determine RATE OF CHANGE of income "I" with respect to "t" workers.
b) What is RATE OF CHANGE of income when there are 12 workers?

(b)d
=
4500
q+10
Transcribed Image Text:(b)d = 4500 q+10
q(t)
=
5t + 20
√3t² + 100
Transcribed Image Text:q(t) = 5t + 20 √3t² + 100
Expert Solution
Step 1

(a) The rate of change of income in derivative form can be written as dpdt

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Follow-up Question

First. Income function is Income = p(q) * q. I don't see that part in development.
Second. When there is variable "q" as (q+10)^2 on denominator , it can be replaced by q(t) from statement, since it asks for rate of change of I over t.

So I see that something is missing in development, to then replace t = 12 workers. And I think is "dI/dt", no "dp/dt", where dI is Income partial derivate 

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