6000 In(x + 15) where p is the price per unit in dollars when x units are demanded. The demand function for a product is given by p =

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
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ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
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Chapter8: Graphing Quadratic Functions
Section: Chapter Questions
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6000
The demand function for a product is given by p =
where p is the price per unit in dollars when x units are demanded.
In(x + 15)
(a) Find the rate of change of price with respect to the number of units sold when 40 units are sold. (Round your answer to the nearest cent.)
$
(b) Find the rate of change of price with respect to the number of units sold when 90 units are sold. (Round your answer to the nearest cent.)
$
(c) Find the second derivative.
p"(x) =
Is the rate at which the price is changing at 40 units increasing or decreasing?
O p'(x) is increasing at 40 units.
O p'(x) is decreasing at 40 units.
Transcribed Image Text:6000 The demand function for a product is given by p = where p is the price per unit in dollars when x units are demanded. In(x + 15) (a) Find the rate of change of price with respect to the number of units sold when 40 units are sold. (Round your answer to the nearest cent.) $ (b) Find the rate of change of price with respect to the number of units sold when 90 units are sold. (Round your answer to the nearest cent.) $ (c) Find the second derivative. p"(x) = Is the rate at which the price is changing at 40 units increasing or decreasing? O p'(x) is increasing at 40 units. O p'(x) is decreasing at 40 units.
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