### Home > INT3 > Chapter 9 > Lesson 9.2.4 > Problem 9-136

9-136.

Write the equation of a periodic function that has amplitude

In the general equation , the parameter

*is the amplitude and*

*is the number of cycles in*

See the Math Notes box for this lesson (9.2.4) and problem 9-134.

Test your equation on a graphing calculator to see if it meets the given criteria.