BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

f(x)

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Source: — Data Sufficiency |
User avatar
Legendary Member
Posts: 1022
Joined: Mon Jul 20, 2009 11:49 pm
Location: Gandhinagar
Thanked: 41 times
Followed by:2 members

by shashank.ism » Sun Feb 21, 2010 4:25 pm
tsmith93 wrote:If f(x)=9x+9^x, what is the value of f(1/2)?
f(1/2) = 9/2 +9^(1/2) = 4.5 +3 = 7.5 Ans
easy one...
My Websites:
www.mba.webmaggu.com - India's social Network for MBA Aspirants

www.deal.webmaggu.com -India's online discount, coupon, free stuff informer.

www.dictionary.webmaggu.com - A compact free online dictionary with images.

Nothing is Impossible, even Impossible says I'm possible.
Top
User avatar
Legendary Member
Posts: 1132
Joined: Mon Jul 20, 2009 3:38 am
Location: India
Thanked: 64 times
Followed by:6 members
GMAT Score:760

by harsh.champ » Sun Feb 21, 2010 4:36 pm
tsmith93 wrote:If f(x)=9x+9^x, what is the value of f(1/2)?
Just replace the unknown quantity "x" in the function and you will get the answer.
Over here,x=1/2
f(x)=f(1/2) = 9(1/2) + 9^(1/2)
=[spoiler]9/2 + 3 = 15/2[/spoiler]

Hey tsmith93,what was your doubt here???
For detailed concept analysis of functions,you can refer to some of the OG questions.
It takes time and effort to explain, so if my comment helped you please press Thanks button :)



Just because something is hard doesn't mean you shouldn't try,it means you should just try harder.

"Keep Walking" - Johnny Walker :P
Top
User avatar
Legendary Member
Posts: 1275
Joined: Thu Sep 21, 2006 11:13 pm
Location: Arabian Sea
Thanked: 125 times
Followed by:2 members

by ajith » Sun Feb 21, 2010 7:24 pm
tsmith93 wrote:If f(x)=9x+9^x, what is the value of f(1/2)?
f(1/2) = 9*1/2+ 9^1/2 = 9/2 + sqrt(9) = 9/2 +3 = 15/2
Always borrow money from a pessimist, he doesn't expect to be paid back.
Top
Post new topic Post Reply
• Page 1 of 1