Choose the correct statement regarding the form of the limit.
\[ \lim _{x\to 3}\frac {x^{2}-4x+1}{3-x} \]
The limit is of determinate form. The limit is of indeterminate form. The limit is of the form \(\dfrac {0}{0}\). The limit is of the form \(\dfrac {\#}{0}\).

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Evaluate the limit. Possible answers include a number, \(+\infty \), \(-\infty \) and \(DNE\).
\[ \lim _{x\to 3^{+}}\frac {x^{2}-4x+1}{3-x}=\answer {+\infty } \]
Justify your answer by choosing all correct statements.
The numerator is negative and the denominator is positive and approaching zero. The numerator is positive and the denominator is positive and approaching zero. The numerator is positive and the denominator is negative and approaching zero. The numerator is negative and the denominator is negative and approaching zero.
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Evaluate the limit. Possible answers include a number, \(+\infty \), \(-\infty \) and \(DNE\).
\[ \lim _{x\to 3^{-}}\frac {x^{2}-4x+1}{3-x}=\answer {-\infty } \]
Justify your answer by choosing all correct statements.
The numerator is negative and the denominator is positive and approaching zero. The numerator is positive and the denominator is positive and approaching zero. The numerator is positive and the denominator is negative and approaching zero. The numerator is negative and the denominator is negative and approaching zero.
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Evaluate the limit. Possible answers include a number, \(+\infty \), \(-\infty \) and \(DNE\).
\[ \lim _{x\to 3}\frac {x^{2}-4x+1}{3-x}=\answer {DNE} \]
Justify your answer by choosing the correct statement.
The limit from the left is not equal to the limit from the right. The limit from the left is equal to the limit from the right.
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