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Demand function

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in Sets, Relations and Functions by (15 points)
Demand function p =125-5x-2x2 and x=6,The consumer’s surplus is
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Demand function p = 122 – 5x – 2x2 and x = 6

When x = 6

p = 122 – 5(6) – 2(6)2

= 122 – 30 – 2(36)

= 122 – 102

= 20

∴ p0 = 20

.S = ∫x (demand function) dx – (Price × quantity demanded) 

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