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

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