Question

f(x)=3x-1 then find fof(x2+1)​

Answer 1

Answer:

x = 3x - 1

1 = 3x - x = 2x

x = 1/2

value of ( x^2 + 1 ) = { (1/2) ^2 + 1 } = ( 1/4 + 1)

= 5/4

Answer 2

Answer:

3x2+2

Step-by-step explanation:

3(x^2+1)-1=3X^2+3-1=3x^2+2