If ฦ(๐ฅ)=๐ฅ2+1,๐กโ๐๐(ฦโฦ)(๐ฅ)=
(A) 2๐ฅ2+1
(B) 2๐ฅ2+2
(C) ๐ฅ4+1
(D) ๐ฅ4+2๐ฅ2+1
(E) ๐ฅ4+2๐ฅ2+2
1 answer
(fโฆf)(x) = f(f) = f^2+1 = (x^2+1)^2 + 1
(A) 2๐ฅ2+1
(B) 2๐ฅ2+2
(C) ๐ฅ4+1
(D) ๐ฅ4+2๐ฅ2+1
(E) ๐ฅ4+2๐ฅ2+2
1 answer