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Calculate the derivative of the function. Then find the value of the derivative as specified.θ =1 if r =

Use implicit differentiation to find dy/dx and d2y/dx2.2y – x + xy = 5

Find y”.y = 6 sin(2x + 9)

Solve the problem.Find the points where the graph of the function have horizontal tangents.f(x) = x3 – 15x

Chronic adrenal insufficiency is a rare condition. Symptoms include weakness, weight loss, and hypotension. This disease is called:    

Find the derivative.r = 8 – θ6 cos θ

Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = (2x + 10)5

Find dy/dt.y = cos5(πt – 10)

Find dy/dt.y = cos4(πt – 18)

Find an equation for the tangent to the curve at the given point.f(x) = 4 – x + 1, (16, 1)