1.sa se reprezinte grafic:
a)f(x)=3x-2
b)g(x)= -x-1
c)h(x)=x-3


2. verificare:
a)rad5x-1=rad3x-1, Xo=0
b)x-3/3=-3x+2, Xo=1

3. rezolvati ecuatiile:
a)3x-21=0
b)7x-4=2x+6
c)2,1x+8,4=0
d)2(x-3)=3(x-2)+2
e)(x-3)(x-3)-5(x-1)=(x-1)^2-6=
f)(x-1)^2-(2x-1)^2=(x+2)^2-(2x+3)^2