Question

Find (fxf)(0)
f(x)=x^2- 1

A. 1
B. 0
C. -8
D. -1

Answer 1

anser is D

(f×f)(0)=-1

Explanation:

(f×f)(x)=f(x)×f(x)

=(
`x^(2)`-1)(
`x^(2)`-1)

=
`x^(4)`-2
`x^(2)`+1

sub x=0

=
`0^(4)`-2×
`0^(2)`+1

=-1