Pembahasan Dan Jawaban1

8/19/2019 Pembahasan Dan Jawaban1

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f −1

( x ) = x+2 x−3 un!uk x

≠ &

11.Jawaban B

Persamaan

x2

7 11 x 6 " = 4

3> (3")(71&) = 43> = " a!au = 31&?P : (31&2")

1". Jawaban +Persamaan :

x2−12 x+7 d$ a=12 b=31"2@=/

α + β =−b

a =−(−12)

1 = 1"

α . β =c

a =7

1 = /

α . β2+α

2 β = αβ ( β+α ¿ =

/.1" = 8*1&. Jawaban #

(3 (−2

3 )¿ (3&) = x2−2

1

3 x−2

= 4

3>dikalikan & 3> 3 x2−7 x−6 = 4

1*. Jawaban B

x2−3 x−28 ≤ 4 3> (3/)(7*)

= 4 3> =/ a!au = 3*?impunan penelesaian

{ x∨−4 ≤ x ≤ 7, x∈ R }

1,. Jawaban B'$ eliminasi *7& = 8,4 (.") 3> 87 = 1/44&7" = 44 (.&) 3> <7 = 1844

= 3144

= 1441. Jawaban ''$ eliminasi 3> *7& = <4 (,)3> "471, = *,4.444&7, = <,444 (&) 3> <71, ="8,444

11 = 1,444 = 1,444

'idapa! har$a 1 po!on$ aam $oren$= 0p 1,.444

Jadi2 har$a & po!on$ aam $oren$adalah 0p & 0p1,444 = 0p *,444

1/. Jawaban +*78 = &" 3> 7" = 8(")eliminasi 3> "7* = 1147, = ,4 3> "7 = 14 3>

"7 = 14 & = = "2 =*

;(2) = *7& = *.* 7 &." = ""18. Jawaban B

Persamaan = *4444784444 =444444

3> 7" = 1,43> 7 = 144

= ,4eun!un$an maks an$ didapa! jikakaos nlon !erjual ,4buah

1<. Jawaban B

-ilai dari *A3B = c

T

* (−1 5

X −1) 3 (−1 −2

4 6 ) =

(−3 3 Y +1

4 −10 )* 3* = * 3> = ""43(3") = &713> & = ""31 ="1 3>=/"7 = "." 7 / = 11

"4. jawaban #

5a!riks AB

= ( 8 5

−4 −3) 3 (1 2

3 1) =

( 23 21

−13 −11)'i!erminan ma!riks AB = ("&.6 11) 6(31&."1) = 3",&7"/& = "4

"1. Jawaban #

U 6 = a 7,b = 14

U 18 = a71/b = 3&8

31"b = *8b = 3*2 a = &4

"". Jawaban '

U 2 = a7"b = 14

U 11 = a714b = "

38b = 31



b = "2 a =

S"4 =20

2 (".71<.") = 14.,4 =

,44"&. Jawaban '

U 2 = 3&2 U 5 = 81

U 5

U 2 =

ar4

ar =81

−3 3"/

↔ r3

= 3"/ ↔ r = 3&

U 2 = a.r = 3&

↔ a 3& = 3&

↔ a = 1

U 4 = ar3

= 1 (−3)4

↔

U 4 = 3"/

"*. Jawaban #

U 2 = a7b = &"

U 5 = a7*b = "4 ↔ a =&

↔ b = 3*

s7 =7

2 (".& 7 .3*) =7

2

(/"7(3"*)) = 18",. Jawaban B

lim X ↔ 4

( X −4)( X +4) X −4 = 8

lim X↔4

¿ (7*) = (*7*) = 8

". Jawaban B

;() = ( x2+5 x )3

f ' ( x ) = 3 ( x2+5 x )

2

("7,)

f ' ( x ) = ( x2+5 x )2

(71,)

"/. Jabawan #

;( x ) =2

3 x

3+9

2 x

2−5 x+12

Akan naik jika f ' ( x )>0

f ' ( x ) = 2 x

27<3, = 4

↔ ("31)(7,) = 4

↔ =1

2 a!au = 3,

;un$si naik saa! in!eral 3, a!a >

1

2

"8. Jawaban '

-ilai dari

4 x¿

(¿3¿+6 x2− x+3)¿∫ ¿

d

= x4

+2 x3

−1

2 x2

+3 x+C

"<. Jawaban '-ilai dari :

∫0

2

(6 x2−4 x−1) d =

2 x3−2 x

2− x∨¿02

¿

(".83".*3")34 = &4. Jawaban '

C = ∫2

4

( x−2) d

&1. Jawaban 'omposisi lama jam kerja = 14 : ".& =1,jam

&". Jawaban 'Banak susunan pen$urus = /P& =/.., = "14 @ara

&&. Jawaban 'Banak @ara memilih mobil

1"#/ =12 !

7 ! 5 ! =

12.11.10.9.8!

5.4 .3.2.1

= /<" @ara&*. Jawaban B

P(S5A B2 Paskrib) =20

100 =1

5

&,. Jawaban '



;? 5a!a dadu kelipa!an & =12

36

.1,4 = ,4kali&. Jawaban '

Peser!a bela diri = &4 ° 3(1"4 °

74 ° 7/4 ° 7<4 ° ) = "4 °

Jumlah siswa seluruhna =360

20 .1"

= "1&/. Jawaban '

?ar$a ja$un$ bulan 5ei

10 0

125 .0p.&44 = 0p,.4*4

&8. Jawaban B

0a!aan skor = "87 −44 0 ., = "/2,4

&<. Jawaban #

5odus = 1*42, 73

3+4 . / =

1*&2,4

*4. Jawaban '0a$am =

(2−4)2+2(3−4)2+2(4−4)2+2(5−4)2+(6−4

8

=4+2.1+2.0+2.1+4

8 =

12

8 =6

4

Simpan$an baku √ 1

4 . =

1

2 √ 6

Pembahasan Dan Jawaban1

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