Evaluate the Sum Using the Given Information A) 756
B) 18

question 253

Multiple Choice

Evaluate the sum using the given information.
- $$\begin{array} { l } \mathrm { x } _ { 1 } = - 3 , \mathrm { x } _ { 2 } = - 4 , \mathrm { x } _ { 3 } = 0 , \mathrm { x } _ { 4 } = 4 , \text { and } \Delta \mathrm { x } = 0.9 ; \mathrm { f } ( \mathrm { x } ) = \mathrm { x } ^ { 2 } - 5 \\\sum _ { \mathrm { i } = 1 } ^ { 4 } \mathrm { f } \left( \mathrm { x } _ { \mathrm { i } } \right) \Delta \mathrm { x }\end{array}$$

• A) 75.6
• B) 18.9
• C) 16.4934
• D) 19.9

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Definitions:

Aerobic Respiration

The process by which cells convert glucose and oxygen into energy, carbon dioxide, and water in the presence of oxygen.

Oxidized

The process of losing electrons during chemical reactions, which can change the chemical structure and properties of substances.

Glucose

A simple sugar that is an important energy source in living organisms and a major component of many carbohydrates.

Citric Acid Cycle

A series of chemical reactions used by all aerobic organisms to release stored energy through the oxidation of acetyl-CoA derived from carbohydrates, fats, and proteins.