For the given graphical representation of vector v, estimate a1 and a2 so that 
and calculate 
.
A. a1 = 10, a2 = 0; 
= 100
B. a1 = 0, a2 = 10; 
= 10
C. a1 = 10, a2 = 0; 
= 3.2
D. a1 = 10, a2 = 0; 
= 10
Answer: D
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+ 
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A. f(x) = 
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B. f(x) = 
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C. f(x) = 
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