The function has a slope at the point .
Definition of slope of the tangent line at : .
Slope of the tangent line at : .
The statement is false.
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has a slope at the point ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e5dea90e36ce818a6cca9ee14e48ef10.png\")
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: ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a582511e6315ab8bd55d568f4f0ae5ff.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=10116f71efe628be4feb0155723b169d.png\")
: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f50c3cae9f2107bdf5f9c57d9451f896.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")