GMAT Prep PS

This topic has expert replies
Source: — Problem Solving |

Legendary Member
Posts: 2467
Joined: Thu Aug 28, 2008 6:14 pm
Thanked: 331 times
Followed by:11 members

by cramya » Sat Dec 27, 2008 9:54 am
To maximize x u have to miminze y
We can do this by putting y =0

3^4 = 81
4^4 = 256

Therefore x will be somewhere between 3 and 4 for x^4 = 100