Matematika

Pertanyaan

fungsi f ditentukan dengan f(x) =x2 - 5x nilai f(4) - f(-2)

2 Jawaban

  • f(4) = (4)2-5(4)
    f(4) = 8 - 20
    f(4) = -12

    f(-2) = (-2)2 - 5(-2)
    f(-2) = -4 + 10
    f(-2) = 6

    f(4) - f(-2) = -12 - 6
    f(4) - f(-2) = -12 - 6
    f(4) - f(-2) = -18
  • f(4)= 4.2 - 5.4
    f(4)= 8 - 20
    f(4)= -12

    f(-2) = (-2).2 - 5.(-2)
    f(-2)= -4 + 10
    f(-2)= 6

    f(4) - f(-2) = -12 - 6 = -18

    maaf bila jawaban kurang tpat

Pertanyaan Lainnya