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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Definitions:

Hemolymph

The fluid that bathes the tissues in animals with an open circulatory system (e.g., arthropods and most mollusks).

Hemocoel

Blood cavity characteristic of animals with an open circulatory system.

Hemocyanin

A hemolymph pigment that transports oxygen in some mollusks and arthropods.

Anemia

A condition characterized by a deficiency of red cells or of hemoglobin in the blood, resulting in pallor and weariness.