7.2 In the figure, O is the centre of circle ABCDE. DB - DF, AODF, BOE and BCF are
straight lines. CID - 10
H
#
TAD
O4
Calculate, giving reasons, the size of the following angles:
7.2.1
D.
7.2.2
7.2.30,
7.2.4
Ĉ
7.2.5
Ê
7.2.6 Ĉ
72,7 0,
Conwright reserved

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

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i do not know the answer

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