Question

What is a periodic function?

Select an answer

A.
A function that has no maximum or minimum values.


B.
A function that repeats its values at regular intervals.


C.
A function that only increases or decreases.


D.
A function that is defined only for integer values.

Answer 1

B. A periodic function repeats its values at regular intervals (there exists a positive period T such that f(x+T)=f(x) for all x).