part 1 of 2, what is average rate of change of y with respect to x from point P to Q

Find the average rate of change of y with respect to x from P to Q. Then compare this with the instantaneous rate of change of y with respect to x at P by finding man at P. y =6-x ; P(2, - 2), Q(2.3, -6.167) Enter the average rate of change of y with respect to x from point P to Q below. mpo = (Type an integer or a decimal.)