Use the Linear Approximation of the Function $f ( x ) = \sqrt { 9 - x }$

question 15

Short Answer

Use the linear approximation of the function $f ( x ) = \sqrt { 9 - x }$ at $a = 0$ to approximate the number $\sqrt { 9.08 }$ .

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Definitions:

Semistrong-Form Efficient

A market hypothesis stating that share prices incorporate all publicly available information, making it impossible to consistently achieve higher returns.

Weak-Form Efficient

A market hypothesis suggesting that all past prices of stock are reflected in the current price, hence historical data cannot be used to predict future prices.

Strong-Form Efficient

A hypothesis that states all information, both public and private, is completely accounted for in stock prices, and that no investor can achieve consistently higher returns.

CAPM

The Capital Asset Pricing Model, a formula used to determine the expected return of an asset based on its beta and expected market returns, thus assessing its inherent risk and cost of capital.