A quadratic function f is given. f(x) = -x² - 4x + 2 (a) Express f in standard form. f(x) = -(x+2)² +6 (b) Find the vertex and x- and y-intercepts of f. (If an answer does not e (x, y) = (-2,6 vertex x-intercepts (x, y) = -√6-2 (x, y) = ((√6-2,0) X (smaller x-value) ) (larger x-value)
A quadratic function f is given. f(x) = -x² - 4x + 2 (a) Express f in standard form. f(x) = -(x+2)² +6 (b) Find the vertex and x- and y-intercepts of f. (If an answer does not e (x, y) = (-2,6 vertex x-intercepts (x, y) = -√6-2 (x, y) = ((√6-2,0) X (smaller x-value) ) (larger x-value)
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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I need the x intercepts
Transcribed Image Text:A quadratic function f is given.
f(x) = -x² - 4x + 2
(a) Express f in standard form.
f(x) = -(x + 2)² +6
esc
(b) Find the vertex and x- and y-intercepts of f. (If an answer does not exist, enter DNE.)
(x, y) =
-2,6
1
vertex
x-intercepts
!
A
y-intercept
Q
(c) Sketch a graph of f.
No
Solution
F1
(x, y) = -√6-
X
(x, y) = ((√6 -2,0)
(x, y) = 0,2
2
W
C
30:
F2
#3
E
●
80
F3
$
4
) (smaller x-value)
X
) (larger x-value)
Q
F4
R
%
5
9
F5
T
Clear All
Delete
Fill
6
F6
Graph Layers
▸ Vertical Parabola 1
Y
&
F7
* 00
U
DII
F8
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