Differentiate $f ( w ) = \sqrt { w ^ { 2 } + 8 }$

question 12

Multiple Choice

Differentiate $f ( w ) = \sqrt { w ^ { 2 } + 8 }$ .

• A) \(\frac { 8 w } { \sqrt { w ^ { 2 } + 8 } }\)
• B) \(\sqrt { 2 w }\)
• C) \(\frac { w } { \sqrt { w ^ { 2 } + 8 } }\)
• D) \(\frac { 1 } { 2 \sqrt { w ^ { 2 } + 8 } }\)

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