f.cpp

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#include<iostream.h>



int f(int x) //fungsi f(x)

                    //hanya mengenal x dan y

{  int y;

    y=x*x+3;

    return y;

}



int g(int a) //fungsi g(a)

                    //hanya mengenal a

{

    return (a*a-3);

}



int hasil (int a, int b)

{

 return (a+b);

}



main ()

{  int a;

cout<<"f(x)=x^2+3\tg(x)=x^2-3"<<endl;

cout<<"Masukkan nilai x : ";

    cin>>a;

    cout<<"f("<<a<<")\t\t="<<f(a)<<endl;

    cout<<"f(1)\t\t="<<f(1)<<endl;

    cout<<"f(2 x "<<a<<")\t="<<f(2*a)<<endl;

    cout<<"2f("<<a<<")\t\t="<<2*f(a)<<endl;

    cout<<"g("<<a<<") \t\t="<<g(a)<<endl;

    cout<<"f(1+"<<a<<")+g("<<a<<"-1)\t="<<f(1+a)+g(a-1)<<endl;
}

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