In the following limit, identify f(x), a, and L. lim (-x + 2) = -1 r-3 Select the correct answer below: Of ( x) = -x+2;a=-1; L=3 Of ( x) = -x+3; a=-1; L=3 Of ( x) = -x+ 3;a=3;1=-1 Of ( x) = -x+ 2;a =3; 1=-1