Texas Education Agency
Texas Gateway: Functions and Their Inverses
Given a functional relationship in a variety of representations (table, graph, mapping diagram, equation, or verbal form), the student will determine the inverse of the function.
Texas Education Agency
Texas Gateway: Connecting Multiple Representations of Functions
The student will consider multiple representations of linear functions, including tables, mapping diagrams, graphs, and verbal descriptions.
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.
PBS
Pbs Teachers: Scientific American: New Research Into Dyslexia
Research the array of sophisticated technologies scientists use to look closely at the brain. Diagram the major lobes of the brain and explore the functions of the frontal lobe to learn about how dyslexic individuals process information.