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Algebra
Pregunta

A company's revenue from selling \( x \) units of ...

A company's revenue from selling \( x \) units of an item is given as \( R = 2000 x - 2 x ^ { 2 } \) . If sales are increasing at the rate of \( 40 \) units per day, how rapidly is revenue increasing (in dollars per day) when \( 230 \) units have been sold? 

Answer

43200

Solución
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