I am stuck on a few questions, can someone please help.

Let

f(x)=2*x^2+5*x - 3

and let x0= 5.

A. The average rate of change of f between x= 5 and x= 5.14 equals ____

B. The average rate of change of f between x= 5 and x= 5.014 equals ___

C. The average rate of change of f between x= 5 and x= 5.0014 equals ____

D. The instantaneous rate of change of f at x= 5 equals ____