Matematika

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Tolong Jawab Beserta Cara :)
Trims :)
Tolong Jawab Beserta Cara :) Trims :)

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1 Jawaban

  • f(x) = 4x + 9

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

    f(b) = -3
    4b + 9 = -3
    4b = -3 - 9
    4b = -12
    b = -3

    a + b
    = 5 - 3
    = 2

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