A Rectangular Box Is to Have a Square Base and a Volume

question 13

Short Answer

A rectangular box is to have a square base and a volume of 4 .If the material for the base costs 20 cent/square foot, the material for the sides costs 30 cent/square foot, and the material for the top costs 10 cent/square foot, determine the dimensions of the box that can be constructed at minimum cost.

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Definitions:

Single Index Model

A financial model that describes the return of a stock as a function of the return of a market index, plus a residual unique to the stock.

Actual Return

The real return an investor receives on an investment, factoring in all gains, losses, dividends, and interest.

Risk-Free Rate

The rate of return on an investment with no risk of financial loss, often represented by the yield on government securities.

Evolution of Beta

The changes in Beta over time, reflecting how a security's volatility relative to the market can vary with different market conditions or company developments.