it is linear. How many will be sold for $15? What the price should be in order to sell 20000 copies

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A: Let the equationbe Px=mn+b-1Later I n=1000           P=30∴ 30=1000 m+b -2data 2 n=3000…

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.