Question

f(x)=x-2 , g(x)=x²+3x+1
find gof and fof​

Answer 1

Step-by-step explanation:

x-2=0

X=2

put X in the following

=x²+3x+1

=2²+3(2)+1

=4+6+1

=11

Answer 2

Answer:

gof=g[f(x)]

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

= x^2-4x+4+6x-6+1

= x^2-2x-1

fog=f[g(x)]

= x^2+3x+1-2

=x^2+3x-1