Selasa, 25 Maret 2014

Tugas XI IPA 2

tentunkan invers dari setiap fungsi berikut . .
1. f(x) = 3x - 4
              5x + 2

2. f(x) = 1 - 4x
                  5
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6 komentar:

  1. Unknown28 Maret 2014 pukul 18.42

    JAWABAN

    1.Dik : F(x) = 3x – 4
    5x + 2

    Y = 3x – 4
    5x + 2
    5x + 2y=3x – 4
    5x+ 2y – 2y – 3x = 3x – 3x – 4 -2y
    5x – 3x = -2y – 4
    2x = -2y – 4
    X = -2x – 4
    -2
    F-1(x) = x – 2

    2. dik :F(x) = 1 – 4x
    5
    Y = 4x – 1
    5
    5y=4x + 1
    5y – 5y + 4x = 4x + 4x + 1 – 5y
    4x = -5y + 1
    F-1(x) = -5y + 1
    4

    BalasHapus
  2. Unknown28 Maret 2014 pukul 18.50

    JAWABAN

    1.Dik : F(x) = 3x – 4
    5x + 2

    Y = 3x – 4
    5x + 2
    5x + 2y=3x – 4
    5x+ 2y – 2y – 3x = 3x – 3x – 4 -2y
    5x – 3x = -2y – 4
    2x = -2y – 4
    X = -2x – 4
    -2
    F-1(x) = x – 2

    2. dik :F(x) = 1 – 4x
    5
    Y = 4x – 1
    5
    5y=4x + 1
    5y – 5y + 4x = 4x + 4x + 1 – 5y
    4x = -5y + 1
    F-1(x) = -5y + 1
    4

    BalasHapus
  3. Unknown28 Maret 2014 pukul 18.55

    JAWABAN

    1.Dik : F(x) = 3x – 4
    5x + 2

    Y = 3x – 4
    5x + 2
    5x + 2y=3x – 4
    5x+ 2y – 2y – 3x = 3x – 3x – 4 -2y
    5x – 3x = -2y – 4
    2x = -2y – 4
    X = -2x – 4
    -2
    F-1(x) = x – 2

    2. dik :F(x) = 1 – 4x
    5
    Y = 4x – 1
    5
    5y=4x + 1
    5y – 5y + 4x = 4x + 4x + 1 – 5y
    4x = -5y + 1
    F-1(x) = -5y + 1
    4

    BalasHapus
  4. Unknown31 Maret 2014 pukul 18.18

    1.Dik : F(x) = 3x – 4
    5x + 2

    Y = 3x – 4
    5x + 2
    5x + 2y=3x – 4
    5x+ 2y – 2y – 3x = 3x – 3x – 4 -2y
    5x – 3x = -2y – 4
    2x = -2y – 4
    X = -2x – 4
    -2
    F-1(x) = x – 2

    2. dik :F(x) = 1 – 4x
    5
    Y = 4x – 1
    5
    5y=4x + 1
    5y – 5y + 4x = 4x + 4x + 1 – 5y
    4x = -5y + 1
    F-1(x) = -5y + 1
    4

    BalasHapus
  5. Livifrishilia7 April 2014 pukul 17.46

    1.Dik : F(x) = 3x – 4
    5x + 2

    Y = 3x – 4
    5x + 2
    5x + 2y=3x – 4
    5x+ 2y – 2y – 3x = 3x – 3x – 4 -2y
    5x – 3x = -2y – 4
    2x = -2y – 4
    X = -2x – 4
    -2
    F-1(x) = x – 2

    2. dik :F(x) = 1 – 4x
    5
    Y = 4x – 1
    5
    5y=4x + 1
    5y – 5y + 4x = 4x + 4x + 1 – 5y
    4x = -5y + 1
    F-1(x) = -5y + 1
    4

    BalasHapus
  6. Anonim9 April 2014 pukul 20.05

    1.Dik : F(x) = 3x – 4
    5x + 2

    Y = 3x – 4
    5x + 2
    5x + 2y=3x – 4
    5x+ 2y – 2y – 3x = 3x – 3x – 4 -2y
    5x – 3x = -2y – 4
    2x = -2y – 4
    X = -2x – 4
    -2
    F-1(x) = x – 2

    2. dik :F(x) = 1 – 4x
    5
    Y = 4x – 1
    5
    5y=4x + 1
    5y – 5y + 4x = 4x + 4x + 1 – 5y
    4x = -5y + 1
    F-1(x) = -5y + 1
    4

    BalasHapus

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