4 7 2 Let M-[and A-and-]-[3] B= 7 Express M as a linear combination of A and B and C 1) M=3A-2B+C 2) M=2A+3B-C 3) M=4A-3B+2C 4) M=4A+3B-2C O 1 2 3 O 4 A= C= 1 4 5

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A: Given that  if x=4,8,3,-2

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