1.

Following questions are based on the given information for the following functions f(x) f(x)=2bx+f(-x), if x lt0 f(x)=a if x =0 f(x)=b+c-2cx+f(x-1), if x gt0 If a=4, b=-17 and c=-18, then for what value of x, f(x)lt0?

Answer»

4 or 9
`(1)/(2)or (4)/(9)`
`-1 or 18`
NONE of these

Answer :B


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