2. For the three-part question that follows, provide your answer to each part in the given workspace. Identify each part with a coordinating response. Be sure to clearly label
each part of your response as Part A, Part B, and Part C.
Part A: Explain what the roots of a function are and how to find them.
Part B: Calculate the zeros of the function y=-x^2- 4x + 21.
Part C: Describe the graph of the function from Part B, including key characteristics of
the function.