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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