Mathematics, 24.08.2019 11:00, andrew729

The price p (in dollars) and the quantity x sold of a certain product obey the demand equation:
x = -20p + 500 where 0 < p ≤ 25
revenue, r, can be found by the following equation: r = xp. express r as a function of x hellppp?

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The price p (in dollars) and the quantity x sold of a certain product obey the demand equation: