What type of requirements elicitation technique is the Delphi Technique?

You are the business analyst for your organization. Gary and Janet, two key stakeholders in the project, are in disagreement over a requirement for the type of software to be installed on the server your solution calls for.
What must happen in this instance before formal approval can be offered?

While validating requirements for a software implementation project, the business analyst (BA) needs to identify scenarios that would alter the benefit delivered by a requirement.
Which of the following techniques should the BA use to identify such scenarios?

An insurance company wants to increase sales by 15% and customer retention by 10% within 1 calendar year.
Various strategies to achieve this were considered and a restructure to the existing pricing model is selected to help achieve these goals.
A business analyst (BA) works with stakeholders such as actuaries, product specialists, sales staff, risk managers, and underwriters who agree to applying varying levels of discounts to customers based on:
*Total annual premium the customer has with the company (Financial worth)
*Time with the insurance company (Loyalty)
Various financial models are considered but the stakeholders agree that an initial applicable discount is determined based on the customer's overall premium:

The percentage of the maximum possible discount available to the customer is adjusted based on time with the company:

If within the first six months, customer retention increased by 5 % and sales increased by 6%, then when will the desired sales and retention goals be achieved assuming the trend continues at the same pace?