The sentence in which the underlined infinitive phrase functions as a subject is the last one - to quickly move large groups of people is the purpose of public transportation.
<em>To quickly move </em>is the infinitive phrase, and it is a subject.
Overall, this sentence seems correct to me.
The main idea was that Mordred knew that he was dying so he took the opportunity to kill King Arthur
Answer:
Sales Support Specialist Responsibilities. Include: Providing troubleshooting assistance for customer orders, account statuses and relevant problems. Providing data and guides to help the sales team. Developing and monitoring performance indicators.
Explanation: