Find the Quadratic Approximation of F at X = 0 $$f ( x ) = \frac { x } { \sqrt { 81 - x ^ { 2 } } }$$

question 425

Multiple Choice

Find the quadratic approximation of f at x = 0.
- $$f ( x ) = \frac { x } { \sqrt { 81 - x ^ { 2 } } }$$

• A) \(Q ( x ) = \frac { x } { 9 }\)
• B) \(Q ( x ) = 1 + 9 x\)
• C) \(Q ( x ) = 1 + \frac { x } { 9 }\)
• D) \(Q ( x ) = 9 x\)

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