Need part A and B to be done in ur own word pls

Thanks

Question 3 a) Using a diagram, describe the time-cost-quality equation and discuss how it can be used to help clients understand the impacts to requirements change within a software design project b) i. With the aid of a diagram describe the V-model software development process. Compare the V-model to the traditional waterfall model il. "The V-Model reflects a project management view of software development and fits the needs of project managers, accountants and lawyers rather than software developers or users." Discuss the statement above, highlighting why the V-model faces such criticism. In your answer discuss alternative software development methodologies