A department store is selling a product. Its profit P can be modeled by the function P(x)=0.003x⁴+0.02x³-8x+50(in pesos)where x represents the number of products sold. If there are 45 of the products sold, how much is the profit of the store?
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Putting n = 50 in P(x) , we get
P(n) at n = 50 is (0.003)(50)⁴ + 0.02(50³) - 8(50) + 50 = 0.003 (6250000) + 0.02 (12500) - 400+50 = 18750 + 2500 - 400+50 = 20,900 pesos
So , The profit of the store is 20,900 pesos.
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