Evaluate the first derivative of the following functions: g(x) : = cosx – sinx f (x) = 4x²cosx g(y) = 3siny – ycosy f(x) = 3secxtanx f (x) = 2 cos Vx -

Q: f(x) = Vx² + 64

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Q: Compute the derivative of f (x) = (x – 3r) cos(r). -

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