If f(x) and g(x) are differentiable functions for \(0≤x≤1\) such that f(0)=2, g(0)=0, f(1)=6, g(1)=2, then which of the following are definitely **not false** for some \(0<c<1\)? ('c' in one option may be different from 'c' in another.)

- (A) f'(c)-f(0)=g'(c)
- (B) f'(c)-g(0)=2g'(c)
- (C) f'(c)+f(1)=3g'(c)
- (D) f'(c)+2g(1)=4g'(c)

Enter your answer as a 4-digit string of 1s and 9s – 1 for correct option, 9 for wrong. For example: if \(A\) and \(B\) are correct, and \(C\) and \(D\) are incorrect, enter 1199. None, one or all may also be correct.

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