Evaluate the Sum Using the Given Information $$\sum _ { \mathrm { i } = 1 } ^ { 4 } \mathrm { f } \left( \mathrm { x } _ { \mathrm { i } } \right) \Delta \mathrm { x }$$

question 174

Multiple Choice

Evaluate the sum using the given information.
- $$\mathrm { x } _ { 1 } = 5 , \mathrm { x } _ { 2 } = 4 , \mathrm { x } _ { 3 } = - 5 , \mathrm { x } _ { 4 } = 3 \text {, and } \Delta \mathrm { x } = - 0.3 ; \mathrm { f } ( \mathrm { x } ) = \mathrm { x } ^ { 2 }$$
$$\sum _ { \mathrm { i } = 1 } ^ { 4 } \mathrm { f } \left( \mathrm { x } _ { \mathrm { i } } \right) \Delta \mathrm { x }$$

• A) \(- 0.6795\)
• B) \(- 90\)
• C) \(- 17.1\)
• D) \(- 22.5\)

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