in Quantitative Aptitude edited by
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11 votes
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Which of the following functions describe the graph shown in the below figure?

  1. $y=\mid \mid x \mid + 1 \mid -2$
  2. $y=\mid \mid x \mid - 1 \mid -1$
  3. $y=\mid \mid x \mid + 1 \mid -1$
  4. $y=\mid \mid x  - 1 \mid -1 \mid$
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1 Answer

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10 votes
Best answer
Take $x = 1$

$y_A = 0, y_B = -1, y_C =1, y_D =1$

Only $y_B$ is correct.

So, Option: B.
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2 Comments

@Arjun sir

After getting $y_{b}=-1$ by putting $x=1$, how we are concluding that B is the option.

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edited by

@Kushagra गुप्ता

When we put $x = 1,$ then option $(B)$ given $ y = -1$

When we put $x = -1,$ then option $(B)$ given $ y = -1$

When we put $x = 0,$ then option $(B)$ given $ y = 0$

When we put $x = 2,$ then option $(B)$ given $ y = 0$

When we put $x = -2,$ then option $(B)$ given $ y = 0$

When we put $x = 3,$ then option $(B)$ given $ y = 1$

When we put $x = -3,$ then option $(B)$ given $ y = 1$

Only Option $(B)$ satisfies the given graph.

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