Matematika

Pertanyaan

Diketahui fungsi f(x) = 5x – 2 dan fungsi  f(k) = 18, nilai dari kadalah ….

2 Jawaban

  • jawab

    f(x) = 5x - 2
    f(k) = 18
    5k - 2 = 18
    5k = 20
    k = 4
  • Materi : Fungsi Linear

    f(x) = 5x - 2
    f(k) = 5k - 2
    18 = 5k - 2
    5k = 18 + 2
    5k = 20
    k = 20/5
    k = 4

    Jadi , Nilai k = 4 !

    *DONE

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