Let f be defined as follows. y = f(x) = x^2 - 10x Find the average rate of change of y with respect to x in the following intervals, from x = 3 to x = 4 j | from x = 3 to X = 3.5 from x = 3 to x = 3 Find the (instantaneous) rate of change of y at x = 3. Let f be defined as follows. y = f(x) = x^2 - 10x Find the average rate of change of y with respect to x in the following intervals, from x = 3 to x = 4 j | from x = 3 to X = 3.5 from x = 3 to x = 3 Find the (instantaneous) rate of change of y at x = 3