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Find the domain of the rational function.
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Q172: <span class="ql-formula" data-value="f ( x ) =
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Q204: <span class="ql-formula" data-value="f(x)=-1-\ln x"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>f</mi><mo
Q210: <span class="ql-formula" data-value="f ( x ) =
Q243: <span class="ql-formula" data-value="\log _ { 5 }
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Q305: <span class="ql-formula" data-value="f ( x ) =