Which one of the given figures P, Q, R and S represents the graph of the…

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Which one of the given figures P, Q, R and S represents the graph of the following function?

f(x) = ||x + 2| - |x - 1||

P: axes x and f(x), x tick labels −4, −2, 0, 2, 4 and vertical labels 0, 1, 2, 3, 4. Blue graph horizontal at height 3 on the left up to x = −2, descends to height 0 midway between −1 and 0, rises to height 3 at x = 1, then is horizontal to the right.Q: axes x and f(x), x tick labels −4, −2, 0, 2, 4 and vertical labels −4, −2, 0, 2, 4. Blue graph is horizontal at −3 to x = −2, rises in a straight segment to 3 at x = 1, then is horizontal to the right.R: axes x and f(x), x tick labels −4, −2, 0, 2, 4 and vertical labels 0, 2, 4, 6, 8, 10. Blue graph descends from height 9 at the left edge to height 0 midway between −1 and 0, rises to 3 at x = 1, then is horizontal to the right.S: axes x and f(x), x tick labels −4, −2, 0, 2 and vertical labels 0, 2, 4, 6, 8, 10. Blue graph descends from height 9 at the left edge to height 3 at x = −2 and is then horizontal to the right.
  1. A.

    P

  2. B.

    Q

  3. C.

    R

  4. D.

    S

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