Question

evaluate the function f(x)=-(x^2-1) and simplify at the indicated value f(-a)=
A.f(-a)=-a^2+1
B.f(-a)=-a^2-a
C.f(-a)=a^2-1
D.f(-a)=a(a+1)

Answer 1

( A ) is the answer it may help you

Answer 2

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

f(-a)=1-a^2

option a is right answer