Search this site:

SAT Subject Tests: Questions

College & Grad School


Word of the Day
egoism
Definition: (noun) excessive concern with oneself; conceit.
Petersons.com
Add Word of the Day to your personalized My Yahoo! page:
Add to My Yahoo! View RSS Feed
About My Yahoo! and RSS »

Math Teaser
Problem
A large soda and a small soda together cost $8.00. If the large soda costs $1.60 more than the small soda, what is the price of the small soda?
Petersons.com

 

SAT SUBJECT TESTS: Math 2 Question #1

Skip to Question: 1 2 3 4 5 6 7 8 9 10  | Next Question

Question: If , then

Choices:
A. -3
B. -1
C. 1
D. 3
E. 9



The correct answer is A. Inverse functions undo each other, so . Substitute -9 for . and solve for x:

  
*Test names and other trademarks are the property of the respective trademark holders.
Copyright (c) 2007 Peterson's, A Nelnet Company. Used under license. All rights reserved.
-