Matematika

Pertanyaan

Rumus fungsi f (x) = 4x + 5
Tentukan a. Jika x = -12 dan x = -4

2 Jawaban

  • F(x) =4x + 5
    a. f(-12) = 4.(-12) + 5 = -48 + 5 = -43
    b. f(-4) = 4.(-4) + 5 = -16 + 5 = -11
  • f(-12)= 4(-12) +5
    = -48 + 5 = -43

    f(-4) = 4(-4) + 5
    = -16 + 5 = -11

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