Matematika

Pertanyaan

diketahui rumus fungsi fx = AX + B jika f1 = 4 dan F3 = 14 nilai F Min 4 adalah

1 Jawaban

  • f(x) = AX + b
    f(1) = a(1) +b = 4
    f(3) = a(3) + b = 14

    f(1) = a+b =4
    f(3) = 3a+b =14. _
    _____________
    = 2a. = -10
    = a. = -5


    f(1) = a+b = 4
    = -5+b = 4
    = b. = 9

    f(-4) = -5(-4)+9 = 20+9
    = 29

Pertanyaan Lainnya