Evaluate the sum using the given information.
-$x _ { 1 } = 2 , x _ { 2 } = - 2 , x _ { 3 } = - 4 , x _ { 4 } = - 3$, and $\Delta x = - 0.9 ; f ( x ) = \frac { 5 } { 2 x + 1 }$
4
$\sum _ { i = 1 } f \left( x _ { i } \right) \Delta x$ (Round to the nearest tenth, if necessary.)
A) $0.9$
B) $2.1$
C) $- 0.9$
D) $1.8$

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The Answer of Evaluate the sum using the given information.
-$x _ { 1 } = 2 , x _ { 2 } = - 2 , x _ { 3 } = - 4 , x _ { 4 } = - 3$, and $\Delta x = - 0.9 ; f ( x ) = \frac { 5 } { 2 x + 1 }$
4
$\sum _ { i = 1 } f \left( x _ { i } \right) \Delta x$ (Round to the nearest tenth, if necessary.)
A) $0.9$
B) $2.1$
C) $- 0.9$
D) $1.8$

Evaluate the Sum Using the Given Information x1=2,x2=−2,x3=−4,x4=−3x _ { 1 } = 2 , x _ { 2 } = - 2 , x _ { 3 } = - 4 , x _ { 4 } = - 3x1​=2,x2​=−2,x3​=−4,x4​=−3

Evaluate the Sum Using the Given Information $x _ { 1 } = 2 , x _ { 2 } = - 2 , x _ { 3 } = - 4 , x _ { 4 } = - 3$