Business, 02.07.2019 00:10, wbrandi118

The demand function for the luminar desk lamp is given by p = f(x) = −0.1x2 − 0.3x + 20 where x is the quantity demanded in thousands and p is the unit price in dollars. (a) find f '(x). f '(x) = −.2x−.3 (b) what is the rate of change of the unit price when the quantity demanded is 7000 units (x = 7)? $ per 1000 lamps what is the unit price at that level of demand

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The demand function for the luminar desk lamp is given by p = f(x) = −0.1x2 − 0.3x + 20 where x is t...