Which one of the following options is NOT a function of Blackboard Collaborate:

Chat box to communicate to lecturers and classmates. 

Presentation/attendance of online classes. 

Access to class recordings if enabled by the lecturer. 

Emailing your lecturer. 

Emailing your lecturer.

To determine which option is NOT a function of Blackboard Collaborate, we need to understand the features and capabilities of Blackboard Collaborate.

Blackboard Collaborate is an online learning platform that offers various tools and features to facilitate remote education and collaboration. It is commonly used for hosting online classes, virtual meetings, and webinars.

Let's look at each of the options and see if it is a function of Blackboard Collaborate:

1. Chat box to communicate to lecturers and classmates: This is a common feature of Blackboard Collaborate. It provides a chat box that allows participants to communicate with each other and with the lecturer during live online sessions.

2. Presentation/attendance of online classes: This is another primary function of Blackboard Collaborate. It allows instructors to conduct virtual classes by sharing presentations, videos, and other multimedia content. Participants can attend these online classes and actively engage with the instructor and other classmates.

3. Access to class recordings if enabled by the lecturer: Blackboard Collaborate typically provides the option for recording live online sessions. This feature allows participants to access class recordings later on if the instructor has enabled the recording feature. So, this option is a function of Blackboard Collaborate.

4. Emailing your lecturer: While Blackboard Collaborate may provide communication channels within the platform (such as chat), it does not include a dedicated email functionality. Emailing your lecturer would typically involve using a separate email client or service, such as Microsoft Outlook or Gmail.

Based on the above analysis, the option that is NOT a function of Blackboard Collaborate is "Emailing your lecturer."

Therefore, the answer to the question is "Emailing your lecturer."

The option that is NOT a function of Blackboard Collaborate is:

Emailing your lecturer.