Question

if F (x) = X2+2 and g (x) =5x -8 then find ( f +g) (1)​

Answer 1

Answer:

f(x)=x  

2

 

g(x)=2  

x

 

f(g(x)={g(x)}  

2

 

⇒f(g(x)={2  

x

}  

2

=2  

2x

 

g(f(x))=2  

f(x)

 

⇒g(f(x))=2  

x  

2

 

 

gof(x)=fog(x)

2  

x  

2

 

=2  

2x

 

⇒x  

2

=2x

x  

2

−2x=0

x(x−2)=0

x=0,2

Step-by-step explanation: