SOLUTION: The demand function for the price of a certian type of computer software is given by d=750e^(-0.0005x) where d is the price in dollars and x is the number of pieces. How many piec

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Question 87048: The demand function for the price of a certian type of computer software is given by d=750e^(-0.0005x) where d is the price in dollars and x is the number of pieces. How many pieces will be in demand when the price is $200? Round to the nearest whole number.
*I thought put the $200 in for d. Then I am just stuck, I have NO clue where to go from here! word problems....KILL me! Thanks SOOOO much for any help!

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Start with the given equation

Plug in

Divide both sides by 750

Reduce

Take the natural log of both sides. This undoes the base of "e"

Evaluate the natural log of

Divide both sides by -0.0005

So our answer is


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