The use of images such as graphs and photos in a presentation

can communicate information visually.

can replace reasons and evidence in a speech.

could potentially distract audiences from an argument.

could possibly send conflicting messages to an audience.

can help communicate information visually.

Explanation:

Saying that images can replace reason makes no logical sense. The only reason for an image to distract an audience or send a conflict message is if you plan to make it so. Generally speaking, an image helps to make a point. To make your argument clearer, somehow. A graph can be specially helpful and, when well done, the audience can absorve a lot of information that is better optimized as a visual aid much faster than they can do it with lines of speech.

she was trying to use   reliable narrator.