What is the value of f2-g2？ （1) f=-g+8 （2) f=g-2

The practical scientist ______.

A．knows the value of what he will discover

B．is interested in the unknown

C．knows that the world exists

D．is a philosopher

What do you think would be the value of this ring, if I were to sell it？

A．cost

B．price

C．significance

D．importance

A、the price of goods

B、the value of goods

C、a product

D、or service

Supposeforandotherwise, what value ofmakesa well-defined PDF？

A、1

B、9

C、

D、

Here is some return information on firms of various sizes and their price-to-book (value) ratios. Based on this information, what can you tell about the size and value style factors？

A.Raw materials

B.Heavy, bulky and low value commodities

C.Semi-processed

D.Great amount goods

What is the essence of strategy in Dell？

A．Bring value through a unique and top-class supply chain.

B．Bring value through close relationship with customers and great support.

C．Direct communication.

A、a medium of exchange

B、a unit of account

C、a store of value

D、a standard of deferred payment