Matematika

Pertanyaan

bila diketahui dominan D = (1,5,7) dan f(x)= 5x+2 tentukan range dari fungsi tersebut?

2 Jawaban

  • D = (1,5,7)
    f(x) = 5x + 2
    f(1) = 5(1) + 2 = 5 + 2 = 7
    f(5) = 5(5) + 2 = 25 + 2 = 27
    f(7) = 5(7) + 2 = 35 + 2 = 37
    R = (7,27,37)
  • D = {1,5,7}

    f(x) = 5x+2
    f(1) = 5(1)+2 = 7
    f(5) = 5(5)+2 = 27
    f(7) = 5(7)+2 = 37

    Jadi, range = {7,27,37}

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