Răspuns :
A)Gf intersectat Ox, y=0, 1-2x=0, 2x=1, x=1/2, A(1/2,0)
Gf intersectat Oy, x=0, f(0)=1, B(0,1)
B) 1-2(x+1)+1-2x=4
1-2x-2+1-2x=4
-4x=4
x=-1
Gf intersectat Oy, x=0, f(0)=1, B(0,1)
B) 1-2(x+1)+1-2x=4
1-2x-2+1-2x=4
-4x=4
x=-1
a) x=0 f(0)=y=1 A(0,1) punctul de intersectie cu axa OY
f(x)=y=0 1-2x=0 x=1/2 B(1/2,0) pct, de innt. cu axa Ox
b)1-2x-2+1-2x=4 - 4x=4 x=-1
f(x)=y=0 1-2x=0 x=1/2 B(1/2,0) pct, de innt. cu axa Ox
b)1-2x-2+1-2x=4 - 4x=4 x=-1