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Here is an excellent of summary notes that explains all the key concepts clearly and concisely. Great REVISION resource!
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Here is an excellent video on how to tell if a relation is a function.
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Here is an excellent video by the same guy on function notation
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Here is an excellent video about how to find the domain and range from a graph. The video uses both interval and set notation.
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Here is another excellent video explaining how to find the domain and range from a graph.
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Here is a video which explains interval notation very clearly
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Here are two Geogebra files. The first one illustrates Domain and Range. The second one illustrates the Vertical line test.
To see these files, you need to have GEOGEBRA installed on your computer. Get GEOGEBRA by typing Geogebra into Google, and following the download prompts, or click on the link below: http://www.geogebra.org/cms/download |
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