SOLUTION: Profit made by a company when 60 units are sold is R1600. When 150 units are sold profit increases to R5,200. Assume that profit function is linear and of the form - P(u)= a + b(u)

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Question 1140055: Profit made by a company when 60 units are sold is R1600. When 150 units are sold profit increases to R5,200. Assume that profit function is linear and of the form - P(u)= a + b(u) where P is profit in Rands and 'u 'is the number of units sold. Determine 1. the Values of a and b. 2. The breakeven level and 3 how many units will yield R12,000 profit?
andoh@cjassociates.co.za

Answer by josgarithmetic(39616)   (Show Source): You can put this solution on YOUR website!
The description gives two points, (u, P).
The points are (60, 1600) and (150, 5200).

Why the dash character in front of the P(u) ? The question describes the need for just finding the linear function. Just use P(u).

, using the point-slope form;

You can do the rest.

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