12.º ANO - 2021/2022

qa 1
36 e 72
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qa 2
17 280; 80 640
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qa 3
1/18278; 3/18278
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1.º TESTE
1. D	2. B	3. -715		4. 18354; 2227680; D	5. 0,6
6. 4/7; 1/14	7. D; 0,0065; 1/10	8. A; I		9. 13	10. n=19
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qa 4
1/4
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qa 5
y=-2x-2/3
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2.º TESTE
1. C; sim; 7	2. D	3. 84%		4. 12%		5. B; A; y=16x-28
6. É; -0,43 e 0,54 e 2,14	7. 1/11; D	8. y=-4
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qa 6
3/5
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qa 7
-3/5
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3.º TESTE
1. C; 1/90	2. A	3. 0 e 3/8; A	4. 167	5. C	6. D	7. -10 e 2
8. y=2pi-2	9. 2pi/3+2pik ou 2pik; 1,5	10. x=pi/6 ou x=-pi/18; x=10pi/3 ou x=14pi/3
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qa 8
y=-2x+2pi
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qa 9
pi/6-rq(3)/2
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qa 10
2pi
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qa 11
descont.
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4.º TESTE
1. B; 2/5	2. 2pi/3	3. A	4. A; 11h35	5. B
6. y=4x-13; C	7. [log(3)6,+inf[; ]-inf,ln4[; ]-inf,log(4)3/3]
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qa 12 e qa 5 (12.º 6)
e^(-1/2)
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Mini teste
1. 775; 1,5	2. 1/2		3. y=x/4-7/5; -1/2	5. k
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qa 6 (12.º 6)
-32+35i
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qa 13
rq(29), (-2,5), (2,-5) e (-2,-5)
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qa 14
-i/4
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qa 7 (12.º 6)
1/8 e^(i5pi/12)
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5.º TESTE (12.º 6)
1. 0,35		2. A	3.-2-3i		4. +-3		5.33/10		6. D	7. C; 2,46
8. D; 12h26	9. A	10. -pi/3	11. ln2-1
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5.º TESTE
1. 0,03858	2. A	3. 1/32 e^(-i17pi/12)		4. +-3rq(3)/2+3i/2 e -3i	5. B	6. 8
7. -rq(15)-1	8. A; 203	9. 2pi/9 e 4pi/9; 1,28		10. B	11. -2; y=-3	12. D	13. e^3/4