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function problem

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function problem

by daniyatom » Sun Aug 03, 2008 12:41 pm
for which of the following functions is f(a+b)= f(a) + f(b) for all postive numbers a and B
(A) f(x)= x^2
(B) f(x) = x +1
(C) f(x) = x ^1/2
(D) f(x) = 2/X
(E) f(x)= -3x

need help ppl :)
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by parallel_chase » Sun Aug 03, 2008 2:07 pm
refer this

https://www.beatthegmat.com/f-a-b-f-a-f-b-t3818.html
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by daniyatom » Wed Aug 06, 2008 12:24 pm
cheers....thanks
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