A Building in the Shape of a Rectangular Box Is

question 66

Multiple Choice

A building in the shape of a rectangular box is to have a volume of (see the figure) .It is estimated that the annual heating and cooling costs will be $2/square foot for the top, $5/square foot for the front and back, and $2/square foot for the sides.Find the dimensions of the building that will result in a minimal annual heating and cooling cost.What is the minimal annual heating and cooling cost(C) ?

• A)x = 50; y = 20; z = 10; C = 5,900
• B)x = 20; y = 50; z = 30; C = 5,900
• C)x = 20; y = 50; z = 10; C = 6,000
• D)x = 50; y = 20; z = 20; C = 6,000

---

Definitions:

Mutual Fund

An investment vehicle made up of a pool of funds collected from many investors for the purpose of investing in securities such as stocks, bonds, money market instruments, and other assets.

Lock-up

A period post-initial public offering (IPO) during which shareholders are restricted from selling their shares.

Hedge Funds

Investment funds that employ diverse, and often more complex, strategies than traditional mutual funds, including the use of leverage, derivatives, and short selling to generate returns.

Mutual Funds

Investment programs funded by shareholders that trade in diversified holdings and are professionally managed.