👤

Daca f:R->R,f(x-2)=2x-3,pentru orice x apartine R,determinati f(x)

Răspuns :

f(x-2)=2x-3
Notam x-2=t=>x=t+2
f(t)=2(t+2)-3
f(t)=2t+4-3
f(t)=2t+1
f(x)=2x+1