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Modulus Function

The value of ...

Question

The value of $x$ for which $12 x - 6 < 0$ and $12 - 3 x < 0$

A

ϕ

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B

R

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C

R - {0}

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D

N o n e

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Solution

The correct option is B $ϕ$

$12 x - 6 < 0 o r x < (\frac{1}{2}) a n d 12 - 3 x < 0 o r x > 4 c l e a r l y t h e r e i s n o c o m m o n v a l u e o f x h e n c e s o l u t i o n s e t w i l l b e a n u l l s e t ϕ .$

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