X Value pt.1
X Value pt.2
No X Value pt.1
No X Value pt.2
Inverse Composition Rule
100

f(x)= 20x+ 11

g(x)= 3

find f(g(x))

71

100

f(x)= 5

g(x)=20x

find g(f(x))

100

100

f(x) = 3x 

g(x) = -4

find f(g(x))


-12

100

f(x) = x+4 

g(x) = 2x^2-7

g(f(x))

2x^2+16x+25

200

f(x)=3x-20

g(x)=5

find f(g(x))

-5

200

f(x)=6x

g(x)=3x

find f(g(x))

18x

200

g(x) = –6x + 5 

 h(x) = –9x – 11

 find g(hx))

9x+16

200

f(x) = 2x^2-4

 g(x) = x-3

find f(g(x))

2x^2-12x+14

300

f(x)= x^2+20

g(x)=5

find f(g(x))

45

300

f(x)= 18

g(x)=1x

find g(f(x))

18

300

f(x)= –2x + 9 

 g(x) = –4x^2 + 5x – 3

 find f(g(x))

8x^2-10x-3

300

f(x) = 4 

g(x) = -4x

g(f(x))

-16

400

f(x)= 4x+8

g(x)= 2

Find f(g(x))

16

400

f(x)= 3x+2

g(x)=10

find f(g(x))

32

400

f(x) = x – 3

 g(x) = 4x^2 – 3x – 9

 find g(f(x))

4x^2-27x+36

400

f(x) = 2x 

g(x) = -3x^2

g(f(x))

12x^2

400

f(x)= 3x+1

g(x)= (x-1)/3

f(g(x))=

x

500

f(x)= 100

g(x)= x+100

find g(f(x))

200

500

 f(x) = 3x² + 6 

 g(x) = x - 8

f(g(x))

3(x^2-16x+66)

500

 f(x) = x^2 – 4x + 2

 g(x) = 3x – 7, 

find f(gx))=

9x^2-54x+79

500

f(x) = 4x-5 

g(x) = x-3

find f(g(x))

4x-17

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