Răspunsuri

2014-04-02T16:54:13+03:00
A(0,1)=>0*a+b=1 => b=1;
B(-2,3)=> -2a+1=3=> -2a=2=> a=-1;
=> f(x)=-x+1;
B(-1,0)=> -(-1)+1=0 => 1+1=0(FALS)=> nu sunt coliniare.