Answer :
The given function is
C(x)=-4x^2+4x+3
To find C(-1), we would substitute x = - 1 into the function. It becomes
C(-1) = - 4(-1)^2 + 4(- 1) + 3
C(- 1) = - 4 - 4 + 3
C(- 1) = - 8 + 3
C(- 1) = - 5
The given function is
C(x)=-4x^2+4x+3
To find C(-1), we would substitute x = - 1 into the function. It becomes
C(-1) = - 4(-1)^2 + 4(- 1) + 3
C(- 1) = - 4 - 4 + 3
C(- 1) = - 8 + 3
C(- 1) = - 5