cillgnz cillgnz
  • 12-11-2019
  • Mathematics
contestada

Solve and graph |w| < 3.
Please select the best answer from the choices provided

Solve and graph w lt 3 Please select the best answer from the choices provided class=

Respuesta :

rani01654 rani01654
  • 17-11-2019

Answer:

- 3 < w < 3

So, option D is correct.

Step-by-step explanation:

From the definition of |x|, we have

|w| = w, when w ≥ 0 .......... (1) and

|w| = -w when w < 0 ........... (2)

So, given that |w| < 3 ....... (3)

Now, from conditions (1) and (3), 0 ≤ w < 3 ..... (4)

Again , from conditions (2) and (3), - w < 3, ⇒ w > -3

So. 0 > w > -3 ....... (5)

Therefore, combining the condition (4) and (5) we get

- 3 < w < 3

So, option D is correct. (Answer)

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