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Slope at Point of Tangency
Mr. Miehl
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Objective To determine the slope of a function at a given point.
To determine the slope of a tangent line to a function at a given point. Both are done the same way!
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The Derivative is… Computed by finding the limit of the difference quotient as ∆x approaches 0. Used to find the slope of a function at a point. Used to find the slope of the tangent line to a graph f (x), and is usually denoted f’(x). Used to find the instantaneous rate of change of a function.
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Limit Definition of the Derivative
Use the limit definition to find the derivative of:
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Limit Definition of the Derivative
CAUTION: Possible mistakes ahead!
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Limit Definition of the Derivative
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Limit Definition of the Derivative
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Limit Definition of the Derivative
A formula for finding the slope of the tangent line of f (x) at a given point.
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Slope of a Function Find the slope of at
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Slope of a Function
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Slope of a Function
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Slope of a Function Find the slope of at
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Slope of Tangent Line Find the slope of the tangent line to the graph of at (–2, 16).
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Slope of Tangent Line
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Slope of Tangent Line Find the slope of the tangent line to the graph of at (–2, 16).
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Value of the Derivative
Find the value of the derivative of
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Value of the Derivative
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Value of the Derivative
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Value of the Derivative
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Value of the Derivative
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Value of the Derivative
Find the value of the derivative of
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Value of the Derivative
Find if
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Value of the Derivative
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Value of the Derivative
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Value of the Derivative
Find if
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Conclusion The derivative is a formula used to find the slope of function or slope of the tangent line to a function. To find the slope of a function or slope of the tangent line to a function, first, find the derivative and, second, plug the corresponding x-value into the derivative.
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