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miskamm [114]
3 years ago
15

If f(x)=x+1 and g (x)=2x^2-2x-1 what is (gof)(x)

Mathematics
2 answers:
jeyben [28]3 years ago
7 0

Answer: 3(2x+1)

Step-by-step explanation:please give me a brainliest

BlackZzzverrR [31]3 years ago
3 0

Answer:

e  

f

∘

g

(

x

)

=

2

x

2

−

4

x

−

3

And  

g

∘

f

(

x

)

=

(

2

x

−

3

)

(

2

x

−

5

)

Step-by-step explanation: f

(

x

)

=

2

x

−

3

g

(

x

)

=

x

2

−

2

x

=

f

(

g

(

x

)

)

=

f

(

x

2

−

2

x

)

=

2

(

x

2

−

2

x

)

−

3

=

2

x

2

−

4

x

−

3

g

∘

f

(

x

)

=

g

(

f

(

x

)

)

=

g

(

2

x

−

3

)

=

(

2

x

−

3

)

2

−

2

(

2

x

−

3

)

=

(

2

x

−

3

)

(

2

x

−

3

−

2

)

 

=

(

2

x

−

3

)

(

2

x

−

5

)

f

∘

g

(

x

)

≠

g

∘

f

(

x

)

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