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

Question 430

Multiple Choice

Evaluate the sum using the given information.
- x1=1,x2=2,x3=4,x4=1x _ { 1 } = - 1 , x _ { 2 } = 2 , x _ { 3 } = - 4 , x _ { 4 } = 1 , and x5=2x _ { 5 } = - 2
i=15(2xi+xi) \sum _ { i = 1 } ^ { 5 } \left( 2 x _ { i } + x _ { i } \right)


A) 45
B) 16- 16
C) 12- 12
D) 7

Correct Answer:

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