Difference between revisions of "009A Sample Final 2, Problem 2"

Latest revision as of 10:08, 1 December 2017

Let

f(x)=\left\{{\begin{array}{lr}{\frac {x^{2}-2x-3}{x-3}}&{\text{if }}x\neq 3\\5&{\text{if }}x=3\end{array}}\right.

For what values of $x$ is $f$ continuous?

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 <span class="exam"> For what values of &nbsp;<math style="vertical-align: 0px">x</math>&nbsp; is &nbsp;<math style="vertical-align: -4px">f</math>&nbsp; continuous?
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-|<math style="vertical-align: -5px">f(x)</math>&nbsp; is continuous at &nbsp;<math style="vertical-align: 0px">x=a</math>&nbsp; if
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-|&nbsp; &nbsp; &nbsp; &nbsp;<math style="vertical-align: -14px">\lim_{x\rightarrow a^+}f(x)=\lim_{x\rightarrow a^-}f(x)=f(a).</math>
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 [[009A_Sample_Final_2|'''<u>Return to Sample Exam</u>''']]