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23 Cards in this Set
- Front
- Back
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Ch 8 - 4
What do we mean by the gradient function? |
The gradient function gives the gradient of the tangent (curve) for a given value of x.
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Ch 8 - 5
To be differentiable at a point a function needs to be ….. |
To be differentiable at a point a function needs to be continuous and smooth at that point.
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Ch 8 - 15
What is meant by the normal to a curve at a point? |
The normal to a curve at a point is the straight line which is perpendicular to the tangent drawn at that point.
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Ch 8 - 18
How to differentiate a composite function, or function of a function or chain rule |
The derivative of a composite function is the product of two derivatives.
One is the derivative of the function inside the brackets. The other is the derivative of the basic function. |
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