Graf_pripreme1.docx
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- Words: 184
- Pages: 1
y
120
f(x)=x^2+6*x-8
100
80
60
40
20
x -40
-20
20
40
60
80
100
120
140
-20
-40
-60
-80
y
f(x)=-x^2+6*x+8
70
60
50
40
30
20
10
x -60
-55
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
-10
-20
-30
-40
-50
-60
y
f(x)=x^2-6*x+9
9
8
7
6
5
4
3
2
1
x -9.5
-9
-8.5
-8
-7.5
-7
-6.5
-6
-5.5
-5
-4.5
-4
-3.5
-3
-2.5
-2
-1.5
-1
-0.5
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
6.5
7
7.5
8
8.5
9
9.5
-1
-2
-3
-4
-5
-6
-7
-8
-9
y
f(x)=-x^2-2*x-1
9
8
7
6
5
4
3
2
1
x -9.5
-9
-8.5
-8
-7.5
-7
-6.5
-6
-5.5
-5
-4.5
-4
-3.5
-3
-2.5
-2
-1.5
-1
-0.5
0.5 -1
-2
-3
-4
-5
-6
-7
-8
-9
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
6.5
7
7.5
8
8.5
9
9.5
120
f(x)=x^2+6*x-8
100
80
60
40
20
x -40
-20
20
40
60
80
100
120
140
-20
-40
-60
-80
y
f(x)=-x^2+6*x+8
70
60
50
40
30
20
10
x -60
-55
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
-10
-20
-30
-40
-50
-60
y
f(x)=x^2-6*x+9
9
8
7
6
5
4
3
2
1
x -9.5
-9
-8.5
-8
-7.5
-7
-6.5
-6
-5.5
-5
-4.5
-4
-3.5
-3
-2.5
-2
-1.5
-1
-0.5
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
6.5
7
7.5
8
8.5
9
9.5
-1
-2
-3
-4
-5
-6
-7
-8
-9
y
f(x)=-x^2-2*x-1
9
8
7
6
5
4
3
2
1
x -9.5
-9
-8.5
-8
-7.5
-7
-6.5
-6
-5.5
-5
-4.5
-4
-3.5
-3
-2.5
-2
-1.5
-1
-0.5
0.5 -1
-2
-3
-4
-5
-6
-7
-8
-9
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
6.5
7
7.5
8
8.5
9
9.5
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