Question

Fie functia f(X) f:R-R f(x)=-x+1 fie functia f(X) f:R-R f(x)=-x+1 Determinati puctul de intersectie de pe graficul functiei f care are coordonatele egale.

Answer 1

A(n,n)∈Gf => x=n => -n+1=n => n=1/2  => pt x=1/2 => -1/2+1=1/2 => pct  A(1/2,1/2)