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The cost function C(x) and the selling price of each article, p(x) are given below. Determine the profit function P(x).C(x)=−0.03x2+70x+75C(x)=-0.03x^2+70x+75 p(x)=80p(x) = 80

The cost function C(x) and the selling price of each article, p(x) are given below. Determine the profit function P(x).
$C (x) = - 0.03 x^{2} + 70 x + 75$
$p of x equals 80$