If f and g are differentiable, d/dx [f(x) + g(x)] equals:
Af'(x) g'(x)
Bf(x) g'(x) + f'(x) g(x)
Cf'(x) + g'(x)
Df'(x) − g'(x)
Answer & Solution
Correct answer: C. f'(x) + g'(x)
Sum rule for derivatives.
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