Problem 1E: Find dz/dt in two ways: by using the Chain Rule, and by first substituting the expressions for x and... Problem 2E: Find dz/dt in two ways: by using the Chain Rule, and by first substituting the expressions for x and... Problem 3E: Use the Chain Rule to find dz/dt or dw/dt. 1. z = xy3 x2y, x = t2 + 1, y = t2 1 Problem 4E: Use the Chain Rule to find dz/dt or dw/dt. 2. z=xyx+2y,x=et,y=et Problem 5E: Use the Chain Rule to find dz/dt or dw/dt. 3. z = sin x cos y, x = t, y = 1/t Problem 6E: Use the Chain Rule to find dz/dt or dw/dt. 4. z=1+xy, x = tan t, y = arctan t Problem 7E: Use the Chain Rule to find dz/dt or dw/dt. 5. w = xey/z, x = t2, y = 1 t, z = 1 + 2t Problem 8E: Use the Chain Rule to find dz/dt or dw/dt. 6. w = ln x2+y2+z2, x = sin t, y = cos t, z = tan t Problem 9E: Find z/s and z/t in two ways: by using the Chain Rule, and by first substituting the expressions for... Problem 10E Problem 11E: Use the Chain Rule to find z/s and z/t. 7. z = (x y)5, x = s2t, y = st2 Problem 12E: Use the Chain Rule to find z/s and z/t. 8. z = tan1(x2 + y2), x = s ln t, y = tes Problem 13E: Use the Chain Rule to find z/s and z/t. 9. z = ln(3x + 2y), x = s sin t, y = t cos s Problem 14E Problem 15E Problem 16E Problem 17E: Suppose f is a differentiable function of x and y , and p(t)=f(g(t),h(t)),g(2)=4,g(2)=3,h(2)=5 ,... Problem 18E: Let R(s, t) = G(u(s, t), v(s, t)), where G, u, and v are differentiable, u(1,2) = 5, us(1, 2) = 4,... Problem 19E: Suppose f is a differentiable function of x and y, and g(u, v) = f(eu + sin v, eu + cos v). Use the... Problem 20E: Suppose f is a differentiable function of x and y, and g(r, s) = f(2r s, s2 4r). Use the table of... Problem 21E Problem 22E Problem 23E Problem 24E Problem 25E: Use the Chain Rule to find the indicated partial derivatives. 21. z = x4 + x2y, x = s + 2t u, y =... Problem 26E: Use the Chain Rule to find the indicated partial derivatives. 22. T=v2u+v, u = pqr, v = pqr;... Problem 27E: Use the Chain Rule to find the indicated partial derivatives. 23. w = xy + yz + zx, x = r cos, y = r... Problem 28E: Use the Chain Rule to find the indicated partial derivatives. 24. P=u2+v2+w2, u = xey, v = yex, w =... Problem 29E: Use the Chain Rule to find the indicated partial derivatives. 25. N=p+qp+r, p = u + vw, q = v + uw,... Problem 30E: Use the Chain Rule to find the indicated partial derivatives. 26. u = xety, x = 2, y = 2, t = 2;... Problem 31E: Use Equation 5 to find dy/dx . 31. ycosx=x2+y2 Problem 32E: Use Equation 5 to find dy/dx . 32. cos(xy)=1+siny Problem 33E: Use Equation 5 to find dy/dx . 33. tan1x2y=x+xy2 Problem 34E: Use Equation 5 to find dy/dx . 34. eysinx=x+xy Problem 35E: Use Equations 6 to find z/x and z/y . 35. x2+2y2+3z2=1 Problem 36E Problem 37E Problem 38E Problem 39E: The temperature at a point (x, y) is T(x, y), measured in degrees Celsius. A bug crawls so that its... Problem 40E Problem 41E: The speed of sound traveling through ocean water with salinity 35 purls per thousand has been... Problem 42E Problem 43E Problem 44E: The voltage V in a simple electrical circuit is slowly decreasing as the battery wears out. The... Problem 45E: The pressure of 1 mole of an ideal gas is increasing at a rate of 0.05 kPa/s and the temperature is... Problem 46E: A manufacturer has modeled its yearly production function P (the value of its entire production, in... Problem 47E: One side of a triangle is increasing at a rate of 3 cm/s and a second side is decreasing at a rate... Problem 48E Problem 49E: Assume that all the given functions are differentiable. 45. If z = f (x, y), where x = r cos and y... Problem 50E: Assume that all the given functions are differentiable. 46. If u = f(x, y), where x = es cos t and y... Problem 51E Problem 52E Problem 53E Problem 54E Problem 55E Problem 56E Problem 57E: Homogeneous Functions A function f is called homogeneous of degree n if it satisfies the equation... Problem 58E Problem 59E Problem 60E: Equation 5 is a formula for the derivative dy/dx of a function defined implicitly by an equation... format_list_bulleted