Understanding Cusps in Functions
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Questions and Answers

A cusp is a type of discontinuity in a function.

False

The derivative of a function is defined at a cusp.

False

A cusp is a point where a function is not continuous.

False

A cusp is a type of singularity where the function is not defined.

<p>False</p> Signup and view all the answers

The existence of a cusp in a function does not affect the continuity of the function.

<p>True</p> Signup and view all the answers

The derivative of a function is always defined at a point where the function is continuous.

<p>False</p> Signup and view all the answers

The limit as h→0 is used to find the slope of a function because Δx approaches infinity.

<p>False</p> Signup and view all the answers

A function can have a cusp at a point where its derivative is defined.

<p>False</p> Signup and view all the answers

The existence of a cusp in a function implies that the function is not continuous at that point.

<p>True</p> Signup and view all the answers

The limit as h→0 is used to find the slope of a function because Δy approaches 0.

<p>False</p> Signup and view all the answers

Study Notes

Continuity and Discontinuity

  • A cusp is a type of discontinuity in a function.
  • A cusp is a point where a function is not continuous.
  • Despite this, the derivative of a function is still defined at a cusp.

Singularities

  • A cusp is a type of singularity where the function is not defined.

Function Continuity

  • The existence of a cusp in a function does not affect the overall continuity of the function.

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Test your knowledge about cusps in functions, including their definition, relation to discontinuity, and effect on function continuity and derivatives.

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