Differentiate the Function and Find the Slope of the Tangent $$f ( x ) = 7 x + \frac { 3 } { x } , x = 9$$

question 20

Multiple Choice

Differentiate the function and find the slope of the tangent line at the given value of the independent variable.
- $$f ( x ) = 7 x + \frac { 3 } { x } , x = 9$$

• A) \(\frac { 188 } { 27 }\)
• B) \(\frac { 190 } { 27 }\)
• C) \(\frac { 190 } { 3 }\)
• D) \(\frac { 188 } { 3 }\)

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