Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Relations and Functions
Practice using your graphing calculator for graphing relations and functions. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.
Library of Congress
Loc: Nepal and the United States
This Library of Congress page recounting the history of Nepal's relations with the U.S., through 1991. Offers good overview of U.S. financial aid to Nepal, and Nepal's strategic importance to the United States.
Wyzant
Wyzant: Fraction Mixed Number Calculator
Are you struggling with comparing fractions? Then try the fraction inequality calculator. Simply key in your two fractions, press the calculate button, and in seconds youll have an answer. The perfect tool for algebra students who need...
Math Is Fun
Math Is Fun: What Is a Function
The learning resource investigates functions. Students learn about the concept by exploring definitions and examples. Topics include the vertical line test, relations, and ordered pairs.
Oswego City School District
Regents Exam Prep Center: Definition of a Relation and a Function
Very basic definitions of mathematical relations and functions can be found here. The single example provided shows a relation which is not a function and explains what makes it so.