calculs 3

Note: please write down the Answer by hand on paper

7. [-/6 Points] DETAILS SCALCET9 14.5.009. Consider the following. z = x2 + y, x = 45 + 8t, y = s+t Find - az and Z by using the chain rule. (Enter your answers in terms of s and t.) as at Oz = as az at -and by first substituting the expressions for x and y to write z as a function of s and t. (Enter your answers in terms of s and t.) az Find as at az as az at dz Do your answers for agree? as O Yes O No az Do your answers for agree? at Yes O NO