If you are presenting very complex and complicated information, it is best to:
a. use vivid descriptions.
b. simplify ideas and concepts.
c. motivate your audience.
d. include appropriate humor.

The correct answer is: option: b

b. simplify ideas and concepts.

Step-by-step explanation:

If you are presenting a very complex and complicated information than it is best to:

b. simplify ideas and concepts.

Since it is useless to present the information which is difficult for every one to understand . If there is a  clear and accurate explanation of the ideas and the concepts that are included in the presentation then it will have a good impact on the audience.

The best presentation is one which is best described and creates no issues or misunderstandings.

Hence, the correct answer is:

Option: b

simplify ideas and concepts.

step-by-step explanation:

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value