Suppose that f1x2 = x2 + 4x - 21. (a) What is the vertex
Chapter 3, Problem 83(choose chapter or problem)
Suppose that f1x2 = x2 + 4x - 21. (a) What is the vertex of f ? (b) What are the x-intercepts of the graph of f ? (c) Solve f1x2 = -21 for x. What points are on the graph of f ? (d) Use the information obtained in parts (a) (c) to graph f1x2 = x2 + 4x - 21.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer