$$\text { Find the intervals where } f ( x ) = \frac { \log 9 x } { x } \text { is increasing and where it is decreasing. }$$

question 65

Short Answer

$$\text { Find the intervals where } f ( x ) = \frac { \log 9 x } { x } \text { is increasing and where it is decreasing. }$$

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Definitions:

Consumer Price Index

A gauge that tracks the average variation over time in the prices urban consumers pay for a collection of consumer goods and services.

Producer Price Index

An economic indicator representing the average change over time in the selling prices received by domestic producers for their output.

Consumer Price Index

A measure that examines the weighted average of prices of a basket of consumer goods and services, such as transportation, food, and medical care, used to track changes in living costs.

Consumer Price Index

A measure that determines the average movement over time in the pricing urban shoppers pay for a selected assortment of consumer goods and services.