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Komposisi Fungsi

Komposisi Fungsi

Assessment

Presentation

Mathematics

10th Grade

Medium

Created by

Ichwayudi Ichwayudi

Used 7+ times

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15 Slides • 10 Questions

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16

Multiple Choice

Diketahui f(x)=6x-3, g(x)=5x+4 sehingga (fog)(x)=⋯

1

30x+20

2

30x+21

3

-30x+22

4

-30x+23

5

-30x+24

17

Multiple Choice

Jika f(x) = 2x²+4 dan g(x) = 4x+2 maka (g o f)(x) = . . .

1

2x²+8x+3

2

4x²+16x+8

3

x²+4x+2

4

16x²+18

18

Multiple Choice

Jika g(x)= x27g\left(x\right)=\ x^2-7  dan  (g  f)(x)=4x2+16x+9, \left(g\ \circ\ f\right)\left(x\right)=4x^2+16x+9,\  fungsi  f(x)f\left(x\right)  adalah ...

1

3x+7-3x+7  

2

2x2-2x-2  

3

2x+42x+4  

4

2x+82x+8  

5

3x+113x+11  

19

Multiple Choice

g(x)=32x dan (g o f)(x)=2x2+2x12,g\left(x\right)=3-2x\ dan\ \left(g\ o\ f\right)\left(x\right)=2x^2+2x-12,  rumus fungsi f(x) adalah ...

1

A.  x2+x+7,5A.\ \ x^2+x+7,5  

2

B. x2x7,5B.\ -x^2-x-7,5  

3

C. x2+x+7,5C.\ -x^2+x+7,5  

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D. x2x+7,5D.\ -x^2-x+7,5  

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E. x2x+7,5E.\ x^2-x+7,5  

20

Multiple Choice

Jika f(x)=x2-3x+2 dan g(x)=4x+1, maka (gof)(x)=⋯

1

4x2-3x+3

2

.4x2-3x+8

3

4x2-4x+6

4

4x2-12x+8

5

4x2-12x+9

21

Multiple Choice

Jika f(x) = 3x + 4 dan g(x) = 6 - 2x, maka nilai dari (fog)(3) adalah ….

1

-20

2

-8

3

4

4

-10

22

Multiple Choice

Jika g(x)=x22xg\left(x\right)=x^2-2x

dan  (g  f)(x)=x210x+24\left(g\ \circ\ f\right)\left(x\right)=x^2-10x+24  fungsi  f(x)f\left(x\right)  adalah ...

1

6x6-x  

2

4x4-x  

3

x6x-6  

4

x4x-4  

5

x+4x+4  

23

Multiple Choice

Jika f(x) = 2x + 1 dan g(x) = 3x2 + 4, maka (fog)(x) adalah ….

1

6x2 + 9

2

6x2 + 4

3

3x2 + 9

4

9x2 + 4

24

Multiple Choice

Jika g(x)= x27g\left(x\right)=\ x^2-7  dan  (g  f)(x)=4x2+16x+9, \left(g\ \circ\ f\right)\left(x\right)=4x^2+16x+9,\  fungsi  f(x)f\left(x\right)  adalah ...

1

3x+7-3x+7  

2

2x2-2x-2  

3

2x+42x+4  

4

2x+82x+8  

5

3x+113x+11  

25

Multiple Choice

Diketahui f(x)=2x215f\left(x\right)=2x^2-15  , g(x) = 3xg\left(x\right)\ =\ 3x  , dan h(x)=2x+3h\left(x\right)=2x+3  . Berapakah hasil komposisi fogoh(x)fogoh\left(x\right)  ?

1

72x2216x+16272x^2-216x+162  

2

36x2+108x+8136x^2+108x+81  

3

36x2+108x+7636x^2+108x+76  

4

72x2+216x+14772x^2+216x+147  

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