Find the Composition $f ( x ) = \sqrt { x + 9 }$

question 45

Multiple Choice

Find the composition.
-If $f ( x ) = \sqrt { x + 9 }$ and $g ( x ) = 8 x - 13$ , find $f [ g ( x ) ]$

• A) \(2 \sqrt { 2 x - 1 }\)
• B) \(8 \sqrt { x - 4 }\)
• C) \(2 \sqrt { 2 x + 1 }\)
• D) \(8 \sqrt { x + 9 } - 13\)

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