12.º ANO - 2018/2019

qa 1
4083; 5940
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qa 2
2268
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1º TESTE
1. não existe	2. 1368000; 3/338; 4/9		3. D; 1/700	4. 720; A	5. 0,366
6. D	7. C	8. C; 11	9. Teodora
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qa 3
0,4
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qa 4
-4/3
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2º TESTE
1. B	2. 30%		3. 1/5; 19/42	4. A	5. -1,22 e 2,45		6. A; são
7. D	8. 4/5		9. D; y=-8x-12
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qa 6
10 e 12
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qa 7
x=-pi/6
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3º TESTE
1. 12/13; B	2. 75; D	3. A; 1,3	4. B	5. A	6. -2	7. y=pi-4
8. 7pi/3 e 11pi/3
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qa 8
2rq(3), 4pi/3, pi/2, 4, 1/4
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qa 9
]-inf,3[
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qa 10
7/8
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4º TESTE
1. C; D		3. 5,1	4. -pi/5; -pi/10	5. -0,74
6. A	7. C	8. -1; y=3	9. ]0,1/9]; A
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qa 11
y=3
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qa 12
a=2 e bER\{0}
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Mini-teste
1. 84,5; 49,5; 372,5		2. -9/2; -6	3. é cont.; y=1/3 x-1/9
4. -2-12/5 i; -2 e 0; -rq(21)+2i; (-1,4)
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qa 13
-5pi/6
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qa 14
1/4 e^(-ix7pi/3)
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5º TESTE
1. 12,5%; 0,424		2. 6	3. C; 13'20''	4. D	5. 0,93 e 1,95		6. D
7. A	8. z=-3rq(3)/10+rq(3)i/10; |z+1|<=2 e -pi/2<=Arg(z)<=-pi/4	9. -pi/2 e pi/2
11. A	12. B; ln3; x=ln2/3
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