katie108bell katie108bell
  • 11-02-2021
  • Mathematics
contestada

if f(x)=x^2-3x-4 and g(x)=x^2+x, what is (f+g)(x)?

Respuesta :

PuppetMaster123
PuppetMaster123 PuppetMaster123
  • 11-02-2021

Answer:

Step-by-step explanation:

Set up the composite result function.

f

(

g

(

x

)

)

Evaluate  

f

(

g

(

x

)

)

by substituting in the value of  

g

into  

f

.

f

(

x

+

2

)

=

3

(

x

+

2

)

−

4

Simplify each term.

Tap for more steps...

f

(

x

+

2

)

=

3

x

+

6

−

4

Subtract  

4

from  

6

.

f

(

x

+

2

)

=

3

x

+

2

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