Răspuns :
A(x, f(x) )
f(x)=g(x) echivalent cu : 3-2x=x+6 => -2x-x=6-3 => -3x=3 => x = 3 : ( -3) =>
x = -1
Se calculeaza f ( -1 ) in f ( x ) si vom obtine :
f(-1 ) = 3 - 2 ori (-1) = 3 +2 = 5
A(x,f(x)) = (-1, 5)
f(x)=g(x) echivalent cu : 3-2x=x+6 => -2x-x=6-3 => -3x=3 => x = 3 : ( -3) =>
x = -1
Se calculeaza f ( -1 ) in f ( x ) si vom obtine :
f(-1 ) = 3 - 2 ori (-1) = 3 +2 = 5
A(x,f(x)) = (-1, 5)