Question

Determine the average rate of change of the function f(x)=-2x^2+5

Answer 1

differentiate it to get -4x and use x=0 in func to get minimum value of function =5 then differentiate 5 to get 0

-4x+0/2
=-2x this is the answer

Answer 2

-2x




is the answer. for f(x)=_