754 prompts matching "Extra quiz: Disjoint sets, and how to tell them apart"
Worked example: Differentiating a linear function from first principles
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Worked example: Differentiating a polynomial with negative indices
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Worked example: Finding the equation of a tangent at a point
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Worked example: Sketching a cubic using its stationary points
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Worked example: A ladder sliding down a wall as a related-rate problem
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Worked example: Integrating a polynomial term by term
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Worked example: Multiplying a 2 by 3 matrix by a 3 by 2 matrix
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Worked example: Solving a 2 by 2 system by the matrix method
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Worked example: Solving a quadratic graphically by adding a straight line
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Worked example: Testing the vertices of the feasible region
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Worked example: Estimating the median from a cumulative frequency curve
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Worked example: The mean deviation of an ungrouped data set
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Worked example: Rounding a number whose leading digits are zeros
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Worked example: The percentage error left by a rounded calculation
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