![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The recommended number of micrograms of Vitamin C per day is 2.
\The words ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4471f07290eaef4452ab8f5dbf6ca3b7.png\")
the difference between the number of micrograms x of Vitamin C today and the recommended amount![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4471f07290eaef4452ab8f5dbf6ca3b7.png\")
represent the absolute function ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0e6338d41553e897f77749275be780b3.png\")
.
Substitute the value of ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=203c5981d3ae76dd5ab5b50da7d626bb.png\")
in the above function.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0960c6fafd8dd55f72993dc07323676e.png\")
.
The only real numbers greater than or equal to 0 are x - coordinates of points on the graph. So the domain is all nonnegative real numbers.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The domain of function is all nonnegative real numbers.