Unformatted text preview: tangent line is vertical. This is also a point of nondifferentiability. Corner Points—If the graph has a corner at x=c the derivative as and the derivative as disagree. In other words, there is not a welldefined tangent line at that x value. This is also an xvalue where the graph is nondifferentiable. + → h − → h Examples:...
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 Fall '05
 PamelaSatterfield
 Calculus, Derivative, Continuous function, Graph of a function

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