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:

Treatments

Methods or interventions applied in experimental research to study their effects on subjects.

Test Statistic

A numerical value calculated from a sample of data used to assess a hypothesis in a statistical test.

Test Statistic

A value calculated from sample data used to test a hypothesis against some criterion.

Degrees of Freedom

The number of independent pieces of information available to estimate another piece of information or the parameters in a statistical model.