Question

If f(x) = 7x and f(g(x)) = 3x, what does g(x)
equal?

Answer 1

Answer:

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(f + g)(x) = f(x) + g(x), where x is in the domain of both f and g. = 2x3 + x2 + 2. The domain of (f + g)(x) consists of all x-values that are in the domain of both f and g.