Question

If f:R to R is given by f(x)=
$3 {x}^{2}$


the fof (x) ​

Answer 1

Step-by-step explanation:

f(x)=3x=2........ [ Given ]

⇒  f(f(x))=f(3x+2)

                    =[3(3x+2)+2]

                    =9x+6+2

                    =9x+8

∴  f(f(x))=9x+8

Answer 2

Answer:

R to R given by f(X)

Step-by-step explanation:

tex 3 X 2 tex ()+()+()+