least value

This topic has expert replies
Master | Next Rank: 500 Posts
Posts: 191
Joined: Sat Feb 14, 2009 11:56 am
Thanked: 1 times

least value

by ST » Mon May 04, 2009 5:02 am
if 0<m<1, which of the following expressions has the least value?

a) m
b) m^2
c) m^3
d) 2-m
e) (m+1) ^2

Answer is [C]

can anyone explain why answer is [C]
Source: — Problem Solving |

Master | Next Rank: 500 Posts
Posts: 111
Joined: Sat Sep 27, 2008 12:41 pm
Thanked: 1 times

by tdadic84 » Mon May 04, 2009 6:14 am
just plug in 0.5 in each answer choice and you will see m^3 is the lowest..