F (x) = 2x-1 and g (x) = 3x

A. F[g (x) ]=-12; g[f (x) = 9

B. F[g (x) ]=-13; g[f (x) = - 9

C. F[g (x) ]=12; g[f (x) = - 6

D. F[g (x) ]=13; g[f (x) = 6

Change to standard form 2.57x10^-4

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