For all positive integers m, Fn(m) = 3m when m is odd and Fn(m) = (1/2)m when m is even. Which of the following is equivalent to Fn(9) * Fn(6)?
A. 81
B. 54
C. 36
D. 27
E. 18
GMAT Prep: Functions
This topic has expert replies
-
- Master | Next Rank: 500 Posts
- Posts: 105
- Joined: Mon Sep 18, 2006 12:34 pm
- Location: OH
- Thanked: 7 times
- GMAT Score:780
-
- Junior | Next Rank: 30 Posts
- Posts: 13
- Joined: Sat Jun 09, 2007 11:57 am
No the answer is 27
9*6 = 54 which is even so you preform the (F) 1/2 *m
I don't follow this either, it seems it should be 81.
9*6 = 54 which is even so you preform the (F) 1/2 *m
I don't follow this either, it seems it should be 81.