Khan Academy Static

Learn how to distinguish between two-variable relationships that are functions and two-variable relationships that aren't functions.

7196_Recognizing_functions_from_graph.html

7198_Recognizing_functions_from_table.html

7200_Recognizing_functions_from_verbal_description_word_problem.html

7199_Recognizing_functions_from_verbal_description.html

7197_Does_a_vertical_line_represent_a_function_.html