Evaluate the Sum Using the Given Information A) -1
B) -2

Multiple Choice

Evaluate the sum using the given information.
- $$\begin{array} { l } \mathrm { x } _ { 1 } = - 4 , \mathrm { x } _ { 2 } = 4 , \mathrm { x } _ { 3 } = - 1 , \mathrm { x } _ { 4 } = - 2 , \text { and } \Delta \mathrm { x } = 0.7 ; \mathrm { f } ( \mathrm { x } ) = \frac { \mathrm { x } } { \mathrm { x } - 5 } \\\sum _ { \mathrm { i } = 1 } ^ { 4 } \mathrm { f } \left( \mathrm { x } _ { \mathrm { i } } \right) \Delta \mathrm { x } \text { (Round to the nearest tenth, if necessary.) }\end{array}$$

A) -1
B) -2.4
C) -2.2
D) 3.4