Question

Stabilti edaca exista a ∈ R astfel incat punctul A(-3;-7) reprezinta intersectia graficelor functiilor f:R->R, si g:R->R in cazurile:
1) f(x)=(a-1)x-1 si g(x)=ax+2
Am nevoie urgenta!!!!!!

Answer 1

f(x)=g(x)
ax-x-1=ax+2
-x=3
x=-3
-3a+2=-7
-3a=-9
a=3.