12.º ANO - 2019/2020

qa 1
1440
127
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qa 2
2 730 756
109 230 240
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1.º TESTE
1. 42240	2. 75; 80; 1088640	3. A; 80640	4. A; 1,6x10^26
5. D		6. B	7. D; Ariana	8. 11		9. n=5
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qa 3
1/4
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2.º TESTE
1. B; 1/14; não		2. A; 43%	3. 1/9		4. D; 490
5. B	6. 9; 0,65	7. C; -3 e -1	8. 5/4
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qa 4
-pi/15 e pi/15
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qa 5
-7/8
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qa 6
x=-pi/6
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qa 7
máx em x=5pi/2
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3.º TESTE
1. A	2. 15%; C	3. Justiniano	4. não; y=0 e y=2pi	5. -1/20
6. B; C; 0,72	7. 8+4rq(2)	8. -2pi e 0; D		9. pi/3 e 2pi/3
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qa 8
-9/8
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qa 9
x=ln2
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4.º TESTE
1. B	2. 0,528; falsa		3. D	4. D	5. C	6. -5	7. D
8. ]-inf,log(5,10); [-4/19,5[	9. 1,78 e 4,77
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