lim x tends to 3 x^2+9/x+3
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Answer:
f(x)=
x→3
lim
x−3
x
2
−9
f(x)=
x→3
lim
(x−3)
(x−3)(x+3)
f(x)=
x→3
lim
(x+3)
f(x)=3+3=6
f(x)=6
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