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Choose the one alternative that best completes the statement or answers the question.
Find the domain of the rational function.
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Q85: <span class="ql-formula" data-value="\lim _ { x \rightarrow
Q111: <span class="ql-formula" data-value="f(x)=\frac{2 x}{(x+3)(x-1)}"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>f</mi><mo
Q116: <span class="ql-formula" data-value="f(x)=x^{4}-5"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>f</mi><mo stretchy="false">(</mo><mi>x</mi><mo
Q140: A cup of coffee is heated
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Q166: <span class="ql-formula" data-value="e ^ { x +
Q217: <span class="ql-formula" data-value="f ( x ) =
Q219: <span class="ql-formula" data-value="g ( x ) =
Q242: <span class="ql-formula" data-value="f ( x ) =
Q253: <span class="ql-formula" data-value="e ^ { x }