2. Complete the following exercises based on the data set. X 3 W 5 7 y 5 5 3 5 6 45 a) Determine the average rate of change of y over each interval. i) -35x1 ii) -3zx 3 iii) 1=x57 iv) -1 x 5 3. Estimate the instantaneous b) Estimate the instantaneous rate of change at the tangent point indicated the point corresponding to each x-value. a) b) i) x = -1 ii ) x =1 8 6 ii) x =3 iv ) x = 5