b) sketch the graph c) find it’s maximum or minimum value

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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b) sketch the graph c) find it’s maximum or minimum value.
(c) Find its maximum or minimum value.
f(x) =
Transcribed Image Text:(c) Find its maximum or minimum value. f(x) =
A quadratic function is given.
f(x) = x2 + 4x – 2
(a) Express the quadratic function in standard form.
- (*+ 2)² – 6
f(x) =
(b) Sketch its graph.
10
>>
8
4
3
1
-10 -9 -8
-7
-6
-5 -4
-3
-2
-1
1
2
4
6
8 9
10
-1
-2
No
Solution
-3
-4
-5
-6
-7
-8
-9
-10
Help
Transcribed Image Text:A quadratic function is given. f(x) = x2 + 4x – 2 (a) Express the quadratic function in standard form. - (*+ 2)² – 6 f(x) = (b) Sketch its graph. 10 >> 8 4 3 1 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 4 6 8 9 10 -1 -2 No Solution -3 -4 -5 -6 -7 -8 -9 -10 Help
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