Matematika

Pertanyaan

diketahui f(x) = 5x + 3,jika f(m) = 33 dan f(4) = n,maka nilai m + n adalah

2 Jawaban

  • f(m) = 33
    5m + 3 = 33
    5m = 30
    m = 6

    f(4) = n
    5(4) + 3 = n
    n = 20 + 3
    n = 23

    Maka m + n = 6 + 23 = 29
  • f(x) = 5x+3
    f(m) = 5m+3 = 33
    5m = 33-3
    m = 30/5 = 6
    f(4) = 5(4)+3 = n
    n = 20+3 = 23

    m+n = 6+23 = 29

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