### Home > CCA2 > Chapter 7 > Lesson 7.2.4 > Problem7-160

7-160.

Write the equation of a sinusoidal function that has an amplitude of $7$ and a period of $8π$. Sketch its graph.

In the general equation $y = a · \sin[b\left(x − h\right)] + k$, the parameter a is the amplitude and $b$ is the number of cycles in $2π$.

See the Math Notes box for this lesson (7.2.4) and problem 7-159.

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