Matematika

Pertanyaan

diketahui f(x) = |10-2x| dan g(x)=|2x+6|. tentukan nilai dari g(10)-f(-5)+f(-2)×g(-2)

1 Jawaban

  • f(x) = 10 - 2x
    g(x) = 2x + 6

    g(10) = 2(10) + 6 = 20 + 6 = 26
    f(-5) = 10 - 2(-5) = 10 - (-10) = 20
    f(-2) = 10 - 2(-2) = 10 - (-4) = 14
    g(-2) = 2(-2) + 6 = -4 + 6 = 2

    g(10) - f(-5) + f(-2) x g(-2)
    = 26 - 20 + 14 x 2
    = 6 + 28
    = 34

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