### Home > PC3 > Chapter 8 > Lesson 8.1.2 > Problem 8-34

-values are in seconds. Complete the following problems based on the graph.

How much time does it take to complete one cycle?

Use the

-values to determine this quantity.How long is the string?

This is the difference in the maximum and minimum heights.

Write an equation that models the height of the yo-yo over time.

Identify:

1. Amplitude

2. Vertical Shift

3. Horizontal Shift

4.(frequency)

Note: Part (a) is the period andTest your answer in your graphing calculator.Determine the first two times when the yo-yo is exactly

inches above the ground. Use a graphing calculator to determine where the function crosses

.

Note: The first two times may have occurred before the curve in the given sketch.