For the Function, Find the Average Rate of Change of F

question 152

Multiple Choice

For the function, find the average rate of change of f from 1 to x: $\frac { f ( x ) - f ( 1 ) } { x - 1 } , x \neq 1$
- $f ( x ) = \frac { 4 } { x + 3 }$

• A) \(\frac { 4 } { x ( x + 3 ) }\)
• B) \(\frac { 4 } { ( x - 1 ) ( x + 3 ) }\)
• C) \(\frac { 1 } { x + 3 }\)
• D) \(- \frac { 1 } { x + 3 }\)

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Definitions:

Smallest Value

The minimum value within a set of numbers or measurements.

SUM(range)

A mathematical function that adds together all numbers in a specified range.

Add Values

The operation of performing addition to increase or combine numeric quantities.

Ratio Scale

A quantitative scale of measurement that includes a defined zero point, equal intervals, and the ability to express quantities as multiples of one another.