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Jawab yang nomor 18 ya...
Jawab yang nomor 18 ya...

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1 Jawaban

  • f(x) = 5x + n
    f(-1) = 5(-1) + n = 2
    -5 + n = 2
    n = 2-(-5) = 7

    f(x) = 5x +7
    f(4) = 5(4)+7 = 27
    f(1) = 5(1) +7 = 12

    f(4) - f(1) = 27-12 = 15

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