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- Any defined procedure or rule that can turn or map each member of one set into a member of another set.
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| A variable that can change its value freely and first without being affected by any other variable(s) for its value. Usually, an independent variable is the input to a function and is normally denoted by the symbol x while y is often reserved for the dependent variable. |
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| The output number of a function. Its value depends on the given function and the chosen value(s) for the independent variable(s). |
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| The number or value that is entered, for example, into a function machine. The number that goes into the machine is the input. |
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| The number or value that comes out from a process. For example, in a function machine, a number goes in, something is done to it, and the resulting number is the output |
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| the set of all possible values of the argument of a function. |
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| The range of a set of numbers is the largest value in the set minus the smallest value in the set. Note that the range is a single number, not many numbers. |
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A method used to check whether or not a relation is a function.
Imagine a vertical line moving horizontally along the x-axis. If this vertical line intersects the graph in at most one point at any x-coordinate, then the relation is a function. Otherwise, the relation is not a function. |
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- A plane formed by two intersecting and perpendicular number lines used to help locate the position of any point on a map or graph.
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| Find the value of an algebraic expression by replacing the variable(s) with the correct numerical value(s) to perform the operation. |
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| Function notation is the way a function is written, usually with it's name, domain, codomain, and rule of correspondence. |
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| The constant difference between any two successive terms in an arithmetic sequence. |
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