Can someone help with this function problem?

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eustudent: Senior | Next Rank: 100 Posts; Posts: 40; Joined: Sun May 31, 2009 10:17 pm; Thanked: 1 times

by eustudent » Wed Aug 05, 2009 7:02 am

OA is D

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Source: Beat The GMAT — Problem Solving | Wed Aug 05, 2009 7:02 am

truplayer256: Master | Next Rank: 500 Posts; Posts: 392; Joined: Thu Jan 15, 2009 12:52 pm; Location: New Jersey; Thanked: 76 times

by truplayer256 » Wed Aug 05, 2009 7:06 am

g(2)=6

(1/6)(x-1/x^2+2)=x-1/6(x^2+2)

D

eustudent: Senior | Next Rank: 100 Posts; Posts: 40; Joined: Sun May 31, 2009 10:17 pm; Thanked: 1 times

by eustudent » Wed Aug 05, 2009 7:20 am

hi truplayer,

thank you for your help.

can you elaborate how did you get that g(2)=6?

thanks

eustudent: Senior | Next Rank: 100 Posts; Posts: 40; Joined: Sun May 31, 2009 10:17 pm; Thanked: 1 times

by eustudent » Wed Aug 05, 2009 7:23 am

Please, disregard.

I got it. you just plug 2 for the values of x.

thank you for your help.

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