The functions f and g are defined as f(x) = 5x – 2 and g(x) = – 7x. f a) Find the domain of f, g, f+ g, f-g, fg, ff, and b) Find (f+ g)(x), (f- g)(x), (fg)(x), (ff)(x), (x), and |(x).

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A: We will find the derivative and domain of f(x) and f'(x) as shown below

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A: Follow the procedure given below.

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A: Please refer to the image below

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