Răspunsuri

2014-03-29T11:28:49+02:00

⇒f(x)=-x+3

f(m-1)=2m (de aratat)

deci f(m-1)=-(m-1)+3

f(m-1)=-m+4

din cele doua ai

-m+4=2m ⇒ m=4

1 5 1
  • Utilizator Brainly
2014-03-29T12:28:32+02:00
F(m-1)=2m ⇒ -(m-1)+3=2m ⇒ -m+4=2m ⇒ m=4/3;
A are coordonatele (1/3;8/3).