The Function $f ( x )$ Changes Value When $x$ Changes From $x _ { 0 }$

question 78

Multiple Choice

The function $f ( x )$ changes value when $x$ changes from $x _ { 0 }$ to $x _ { 0 } + d x$ . Find the approximation error $| \Delta f - d f |$ . Round your answer, if appropriate.
- $$f ( x ) = x - x ^ { 2 } , x _ { 0 } = 9 , d x = 0.04$$

• A) 0.0016
• B) 0.272
• C) 0.1376
• D) 0.136

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