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Determine whether the graph of the function is the graph of a one-to-one function.
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Q4: Find the sum of the first
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Q100: <span class="ql-formula" data-value="x ^ { 2 }
Q103: <span class="ql-formula" data-value="x=-4 y^{2}"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>x</mi><mo>=</mo><mo>−</mo><mn>4</mn><msup><mi>y</mi><mn>2</mn></msup></mrow><annotation
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Q120: <span class="ql-formula" data-value="y=(x+2)^{2}+5"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>y</mi><mo>=</mo><mo stretchy="false">(</mo><mi>x</mi><mo>+</mo><mn>2</mn><msup><mo
Q212: Four bacteria are placed in a