The Length L, Width W and Height H of a Box

question 19

Essay

The length l, width w and height h of a box change with time. At a certain instant the dimensions are and , and l and w are increasing at a rate of 10 m/s while h is decreasing at a rate of 1 m/s. At that instant find the rates at which the surface area is changing.

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Definitions:

Worthless Securities

Financial instruments that have lost all monetary value, often resulting in a total loss for the holder.

Holder in Due Course

A legal term for a person who has acquired a negotiable instrument in good faith and for value, and thus has certain rights to it free from many defenses.

Restrictive Indorsement

A signature on a negotiable instrument, such as a check, that limits how the instrument can be used.

Depositary Banks

Banks that hold securities (such as shares or bonds) in custody for other parties, facilitating securities trades and dividend payments.