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If g(x) = (x^2 + 2x + 3) f(x), f(0) = 5 and lim (x→0) (f(x) - f(0))/x - 0 = 4, then g’(0) is equal to

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If g(x) = (x2 + 2x + 3) f(x), f(0) = 5 and lim (x→0) (f(x) - f(0))/x - 0 = 4, then g’(0) is equal to

(A) 30

(B) 18

(C) 20

(D) 22

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Correct option: (D) 22

Explanation: 

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