function problem

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daniyatom: Senior | Next Rank: 100 Posts; Posts: 51; Joined: Mon May 19, 2008 11:43 am; Location: Falls Church, VA

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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Source: Beat The GMAT — Problem Solving | Sun Aug 03, 2008 12:41 pm

parallel_chase: Legendary Member; Posts: 1153; Joined: Wed Jun 20, 2007 6:21 amFollowed by: 2 members; Thanked: 146 times

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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daniyatom: Senior | Next Rank: 100 Posts; Posts: 51; Joined: Mon May 19, 2008 11:43 am; Location: Falls Church, VA

by daniyatom » Wed Aug 06, 2008 12:24 pm

cheers....thanks

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