Matematika

Pertanyaan

fungsi f:x= 3x-5 dengan x{-3,-2,-1,0,1,2}. daerah hasil fungsi f adalah

2 Jawaban

  • f (x) = 3x - 5
    f (-3) = 3. -3 -5 = -9 -5 = -14
    f (-2) = 3. -2 -5 = -6 -5 = -11
    f (-1) = 3. -1 -5 = -3-5 = -8
    f (0) = 3. 0 - 5 = 0-5 = -5
    f (1) = 3. 1 - 5 = 3 - 5 = -2
    f (2) = 3.2 - 5 = 6 - 5 = 1

    Daerah hasil atau range = {-14, -11, -8, -5, -2, 1}
  • f (x) = 3x-5
    f (-3)= 3(-3) -5
    =-9-5
    =-14
    f (-2)= 3(-2)-5
    =-6-5
    =-11
    f (-1) = 3 (-1)-5
    =-3-5
    =-8
    f (0) = 3 (0)-5
    =0-5
    =-5
    f (1) = 3 (1)-5
    = 3-5
    =-2
    f (2) = 3 (2)-5
    = 6-5
    =1
    Hp={-14,-11,-8,-5,-2,1}

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