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Math 211 Business Calculus Applications of Derivatives

Math 211 Business Calculus Applications of Derivatives

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– p. 20/34<br />

Maximize Pr<strong>of</strong>it<br />

As a general rule<br />

P(x) = R(x)−C(x)<br />

By calculus we know<br />

P ′ (x) = R ′ (x)−C ′ (x)<br />

and<br />

P ′′ (x) = R ′′ (x)−C ′′ (x)<br />

ThusP ′ (x) = 0 if and only if<br />

R ′ (x) = C ′ (x)<br />

This critical point is a maximum

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