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Form 4 :: Additional Mathematic

by Hassan Pencil.my - Thursday, 5th March 2015

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Maklumat di bawah berkaitan dengan fungsi h dan g.
h : x ? 2x – 3
g : x ? 4x – 1
Cari gh-1 (x).
1 Answers
  • Kamarul Arifin
    Sekolah Menengah Kebangsaan Seri Perak
    answered Sunday, 29th October 2017
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    h(x)=2x-3 , g(x)=4x-1 cari h-1(x) =

    h-1(x)=y gh-1(x)=g(x+3/2)
    h(y) =x =4(x+3/2)-1
    2y-3=x =(4x+12)/2-1
    2y=x+3 =2x+6-1
    y=x+3/2 =2x+5
    h-1(x)=x+3/2