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f(x) = x + 5 and g(x) = 2x Find (f +g)(x)


Sagot :

Answer:

Step-by-step explanation:f

(

x

)

=

2

x

 

g

(

x

)

=

x

+

5

Set up the composite result function.

f

(

g

(

x

)

)

Evaluate  

f

(

g

(

x

)

)

by substituting in the value of  

g

into  

f

.

f

(

x

+

5

)

=

2

(

x

+

5

)

Apply the distributive property.

f

(

x

+

5

)

=

2

x

+

2

5

Multiply  

2

by  

5

.

f

(

x

+

5

)

=

2

x

+

10