Find the Value for the Function $f ( 2 x ) \text { when } f ( x ) = \sqrt { 5 x ^ { 2 } + 9 x }$

question 179

Multiple Choice

Find the value for the function.
-Find f( $f ( 2 x ) \text { when } f ( x ) = \sqrt { 5 x ^ { 2 } + 9 x }$

• A) \(2 \sqrt { 5 x ^ { 2 } + 9 x }\)
• B) \(\sqrt { 10 x ^ { 2 } + 18 x }\)
• C) \(\sqrt { 20 x ^ { 2 } + 18 x }\)
• D) \(\sqrt { 10 x ^ { 2 } + 36 x }\)

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