Use the image to answer the question.

An illustration shows a sine wave on a screen. The sine wave oscillates between positive one and negative 2 vertically and between negative 4 and positive 4 horizontally. There are 4 peaks and 4 valleys visible within the graph on the screen.
How many complete wavelengths are shown in this image? Do not count any partial wavelengths.

(1 point)
Responses

4

3

7

1