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First, write the value(s) that make the denominator(s) zero. Then solve the equation.
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Q20: <span class="ql-formula" data-value="f ( x ) =
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Q53: <span class="ql-formula" data-value="\frac { x } {
Q91: Passing through <span class="ql-formula" data-value="(
Q158: <span class="ql-formula" data-value="g(x)=-(x+5)^{3}-2"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>g</mi><mo stretchy="false">(</mo><mi>x</mi><mo
Q176: <span class="ql-formula" data-value="- 8 < x -
Q225: <span class="ql-formula" data-value="y=\frac{2}{5} x-3"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>y</mi><mo>=</mo><mfrac><mn>2</mn><mn>5</mn></mfrac><mi>x</mi><mo>−</mo><mn>3</mn></mrow><annotation
Q278: <span class="ql-formula" data-value="( - 5,3 ]"><span class="katex-display"><span
Q292: <span class="ql-formula" data-value="2 x - 5 =
Q360: <span class="ql-formula" data-value="( - 8,0 ) \cap