Respuesta :

D. 19

put 3 inside g

4(3) = 12

put 12 inside f(x)

2(12) - 5 = 19

So the answer is 19

Answer:

f

(

g

(

x

)

)

Evaluate  

f

(

x

+

3

)

by substituting in the value of  

g

into  

f

.

f

(

x

+

3

)

=

2

(

x

+

3

)

1

Simplify each term.

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f

(

x

+

3

)

=

2

x

+

6

1

 

Subtract  

1

from  

6

.

f

(

x

+

3

)

=

2

x

+

5

Step-by-step explanation: