Hi,, Until now didn\'t get the correct answer for both of these, Please help Q1)

Question

Hi,,

Until now didn't get the correct answer for both of these, Please help

Q1) A manufacturer is planning to sell a new product at the price of $230 per unit and estimates that if x thousand dollars is spent on development and y thousand dollars is spent on promotion, consumers will buy approximately [(350y)/(y+2)] + [(50x)/(x+3)] units of the product. If manufacturing costs $130 per unit, how much should the manufacturer spend on development and how much on promotion to generate the largest possible profit from the sale of this product?

Promotion: $

Development: $

Absolute minimum value: attained at

Absolute maximum value: attained at

In each case, your second answer should be one or more points (X,Y). If there is more than one point at which the maximum or minimum value is attained, enter them all separated by commas (e.g. (1,2),(1,3) ).

Explanation / Answer

profit = revenue - cost
p =350y / (y + 2) + 50x / (x + 3) - x - y

?p/?x = 150 / (x+3)

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