1.

Following questions are based on the given information for the following functions f (x) f(x) =2bx +f(-x)," if " x lt 0 f(x)=a, " if "x =0 f(x)=b+c-2cx +f(x-1)," if "x gt 0 If a = 15, b = 11, c = – 3, then f (7) equals:

Answer»

239
115
`-147`
NONE of these

Answer :A


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