Notes
Core 3 Revision Notes
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DOMAIN
eg. x
values function performed on
RANGE
eg. y
results from function calculations
MAPPING
ONE-ONE
MANY-ONE
ONE-MANY
MANY-MANY
FUNCTION
CONDITIONS
COMPOSITE
INVERSE
DEFINED
EITHER
ALL ELEMENTS
ONE-ONE
MANY-ONE
fg(x)
g(x)
f(g[x])
ONE-ONE
DOMAIN OF f^-1 = RANGE OF f
RANGE OF f^-1 = DOMAIN OF f
MAKE x SUBJECT; THEN REWRITE "SWAPPING" x's AND y's (OR f(x)'s)
1 - Algebra and functions
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- OCR Mathematics
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- Tech Wilkinson
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- Created by Tech Wilkinson · Jan 6, 2014
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