Question
Suppose that $C(x, y)$ represents the cost of $x$ CDs and $y$ cassettes. If $C(x, y+1)<C(x+1, y)$ for every $x \geq 0$ and $y \geq 0$, what does this tell you about the cost of CDs and cassettes?
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This means that the cost of producing $x$ CDs and $(y+1)$ cassettes is less than the cost of producing $(x+1)$ CDs and $y$ cassettes. Show more…
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