Answered: A company estimates that it will sell…

A company estimates that it will sell N(t) hair dryers after spending $t thousands on advertising as given by: N(t) = -3t + 450t2 - 21,600t + 1,100, 40

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter2: Solving Linear Equations And Inequalities

Section2.6: Solve A Formula For A Specific Variable

Problem 428E: Solve the equation 2x+3y=6 for y (a) when x=3 (b) in general (c) Which solution is easier for you,...

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Question

Help me to solve By steps

Solve the problem.
A company estimates that it will sell N(t) hair dryers after spending $t thousands on advertising as
given by:
N(t) = -3t + 450t2 - 21,600t + 1,100, 40 <ts 60
For which values of t is the rate of sales N'(t) increasing?
Select one:
A. 40 <t < 50
B. 50 <t < 60
C. t> 40
D. 40 <t < 60
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