
Bobosharif S. answered 03/15/18
Tutor
4.4
(32)
Mathematics/Statistics Tutor
f(x)=2x2-3x+5
(f(x+h)-f(x))/h=[(2(x+h)2-3(x+h)+5)-(2x2-3x+5)]/h=
=[2( (x+h)2-x2)-3h]/h=[2h(2x+h)-3h]/h=2(2x+h)-3