Find the Indicated Function Value $r ( a + 4 )$

question 35

Multiple Choice

Find the indicated function value.
-Find $r ( a + 4 )$ when $r ( x ) = \frac { 7 } { x + 5 }$

• A) \(\frac { 7 } { 5 } a + \frac { 28 } { 5 }\)
• B) \(\frac { 11 } { a + 5 }\)
• C) \(\frac { 7 } { a + 5 } + \frac { 7 } { 9 }\)
• D) \(\frac { 7 } { a + 9 }\)

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Definitions:

Labor Market

The market in which individuals offer their labor for employment and employers seek to hire labor.

Inflation-adjusted Wages

Wages that have been modified to reflect the purchasing power after accounting for inflation, often to measure real income changes over time.

Labor Demand Curve

A graphical representation showing the quantity of labor that firms are willing to hire at different wage rates.

Labor Supply Curve

A graph showing the relationship between wages and the quantity of labor workers are willing to offer, usually portraying a positive correlation.