Find the domain and range of f(x ) = (x^2+2x+1)/(x^2-8x+12)
1 answer:
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Assuming you mean
that means as x approaches 4
if we sub 0 for x we get
0/0
and intermitent form
use l'hopital's rule
so
take the derivitive of the top and bottom seperatly
l'hopitals rule is something like
if
results in 0/0 or -∞/∞ or∞/∞ then keep doing it until f(n)/g(n) gives a form that isn't intermitent
so
take derivitive of top and bottom
now, if we subsitute 4 for x we get
=
=
=
=
that means as x approaches 4
if we sub 0 for x we get
0/0
and intermitent form
use l'hopital's rule
so
take the derivitive of the top and bottom seperatly
l'hopitals rule is something like
if
so
take derivitive of top and bottom
now, if we subsitute 4 for x we get