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secondary 3 | A Maths
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Taejin
Taejin

secondary 3 chevron_right A Maths

Qn f,g,h plss

Date Posted: 7 years ago
Views: 392

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Lim Jing Yu
Lim Jing Yu's answer
7 answers (A Helpful Person)
1st
Using the modulus rules from here (http://www.mathwords.com/a/absolute_value_rules.htm),
For (f),
Use rule 4 for quotient to simplify it into a single modulus term.
From there, it is split into 2 further scenarios, where (4x-3)/x is >=0 or (4x-3)/x < 0.
Solve both scenarios to arrive at all the possible answers.
Question (g) is the same principle
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Lim Jing Yu
Lim Jing Yu's answer
7 answers (A Helpful Person)
For (h), use rule (1) from the website.
The rest is similar to the prev questions.
Good Luck