urgent help for (ii) and (iii) please how do we find range ignore my workings

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secondary 3 | E Maths
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secondary 3 E Maths Singapore

urgent help for (ii) and (iii) please how do we find range
ignore my workings

Date Posted: 3 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Pls verify ...

Date Posted: 3 years ago

Nancy

3 years ago

very good and