Practice Functional Dependency in Math
Use these practice problems to test your method after reviewing the concept explanation and worked examples.
Quick Recap
When the value of one variable is determined by the value(s) of other variables.
Temperature determines ice cream sales—sales DEPEND ON temperature.
Example 1
easyIs y functionally dependent on x in the equation y = 3x + 1?
Example 2
mediumIs y functionally dependent on x in x^2 + y^2 = 25?
Example 3
easyDoes \{(1,2), (1,3), (2,4)\} represent a function?
Example 4
mediumIn a class, is final grade a function of student name?