Matematika

Pertanyaan

tentukan range dari f(x) =3x - 5 jika domainya Df ={-4, -3, -2, -1, 0, 1, 2, 3}!
tolong bantu,, makasi

1 Jawaban

  • f(x)=3x-5   *Masukan domain fungsi itu ke dalam variabel x
    f(-4)=3(-4)-5
          = -12-5
          = -17
    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
        = -5
    f(1)=3(1)-5
        =3-5
        = -2
    f(2)=3(2)-5
         = 6-5
         = 1
    f(3) = 3(3)-5
          = 9-5
          = 4

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