Evaluate the Sum Using the Given Information $$x _ { 1 } = - 5 , x _ { 2 } = - 4 , x _ { 3 } = - 1 , x _ { 4 } = 1 , \text { and } \Delta x = - 0.5 ; f ( x ) = \frac { 5 } { 2 x + 5 }$$

question 341

Multiple Choice

Evaluate the sum using the given information.
- $$x _ { 1 } = - 5 , x _ { 2 } = - 4 , x _ { 3 } = - 1 , x _ { 4 } = 1 , \text { and } \Delta x = - 0.5 ; f ( x ) = \frac { 5 } { 2 x + 5 }$$
$\sum _ { \mathrm { i } = 1 } ^ { 4 } \mathrm { f } \left( \mathrm { x } _ { \mathrm { i } } \right) \Delta \mathrm { x }$ (Round to the nearest tenth, if necessary.)

• A) \(- 1.5\)
• B) \(0.1\)
• C) \(- 5\)
• D) \(1.8\)

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