Bestimme die Asymptoten:
f(x)=x1
f(x)=1−x1
f(x)=x1+x
f(x)=1+xx
f(x)=1+x2x2
f(x)=1+x∣x∣
f(x)=1+x1
f(x)=x+x1
f(x)=x−x1
f(x)=x2+x1
f(x)=x+x21
f(x)=x2−2x+23x−3
f(x)=x2−2x+1x2−1
f(x)=x3+x22x3−x2
f(x)=∣x∣−1x+∣x∣
f(x)=9x2−18x+9−4x3+8x2+23x
f(x)=(x+3)⋅(x2+1)(x+3)2⋅(x2−1)