Let f be a function such that f(x + y)...

Let f be a function such that f(x + y) = f(x) + f(y) for all x and y and f(x) `= ( 2 x ^(2) + 3x) g (x) ` for all x where g (x) is continuous and g(0) = 3 . Then f '(x) is equal to a)9 b)3 c)6 d)none of these

A

9

B

3

C

6

D

None of these

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The correct Answer is:

A

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