Give the range of the function f(x) = -x 2.

f(x) =-x^2

a=-1, b=0, c=0

^xv = -b/2a

^xv = -0/2(-1)

^xv=0

^yv=0

maximum (0,0)

Hence, the range of the function

f(x)<=0

c. archbishop desmond tutu promoted the acknowledgement of the rights of black africans and expose human rights abuses.

d. leader haile selassie modernized african society through the institution of progressive social, economic, and educational reforms.