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2016 paper help!
by EmilyRosee Junior Cert Mathematics — 30/10/16 1

an anyone help me on paper one question 7B? What do the symbols mean? So confused. Thanks!


1 Comments
Alex F — 30/10/16
N is Natural Numbers These are whole positive numbers such as 1,2,3 etc, To graph this place a dot ( .) above the number Z is Intergers These are whole positive and negative numbers, such as -1, 1 etc To graph this place a dot above the number R is Real Numbers These are any type of number, positive, negative, decimals etc To graph this, draw a small circle (o) above the number and draw an arrow in the direction of the inequality Eg <4 means x is smaller then 4, so draw an arrow in the left
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