Functions

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The following websites allow practice on function machines:

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 * Function Machine - Double Operation Function Machine - Enjoy this function machine with two operations, and options to hide or reveal numbers and set all operations and numbers.
 * Function Machine - Guess the Function - Enter x-values in the function machine to generate ordered pairs. Then try to guess the function rule!
 * Function Machine - Guess the Function - Three Challenging Levels - Investigate the relationship between input (x) and output (y) values. Choose from three exciting and challenging levels.
 * Function Machine - Manipulatives - Drag each number into the function machine and look for a pattern that will allow you to complete the table.
 * Function Machine - Mental Maths - BBC - Can you work out what the machine is doing to each number you put in?
 * Function Machine - Number Cruncher - Guess which function the Number Cruncher has selected by choosing an input number and watching as the machine produces an output number.
 * Function Machine - Stop That Creature! - This machine controls a clone. Figure out the rule that runs the machine. Enter a rule in the boxes, then click OK to shut it down.
 * Functions - Evaluating Functions - Jeopardy - Have fun evaluating functions, including composition of functions.
 * Functions and Relations - Mapping Diagram, Table, and Graph - When is a relation a function? Use the mapping diagram, table, and graph to learn when a relation is a function.