What action could you take to optimize content based on seeing a gradual decline in your audience retention curve?

Eliminate or shorten elements that consistently result in dips and declines.
Examine at what point people leave videos, and determine if there is an opportunity to tighten up the content.
Ensure the title, thumbnail, and description reflect the video content.
Examine bumps and consider including similar elements in future videos.

The correct answer is:

Examine at what point people leave videos, and determine if there is an opportunity to tighten up the content.