Let f(x) = 2x - ² (a) Rewrite this quadratic function in standard form: f(x) = ax²+bx+c and indicate the values of the coefficients: a, b and c. (b) Find the vertex V, focus F, focal width, directrix D, and the axis of symmetry for the graph of y = f(x). (c) Plot a graph of y = f(x) and indicate all quantities found in part (b) on your graph.
Let f(x) = 2x - ² (a) Rewrite this quadratic function in standard form: f(x) = ax²+bx+c and indicate the values of the coefficients: a, b and c. (b) Find the vertex V, focus F, focal width, directrix D, and the axis of symmetry for the graph of y = f(x). (c) Plot a graph of y = f(x) and indicate all quantities found in part (b) on your graph.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section: Chapter Questions
Problem 13T
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Transcribed Image Text:22.
(a) Rewrite this quadratic function in standard form: f(x) = ax²+bx+c
and indicate the values of the coefficients: a, b and c.
1. Let f(x) = 2x
-
(b) Find the vertex V, focus F, focal width, directrix D, and the axis of
symmetry for the graph of y = f(x).
(c) Plot a graph of y = f(x) and indicate all quantities found in part (b)
on your graph.
(d) Specify the domain and range of the function f.
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