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A Further Function Puzzle (Posted on 2007-01-19) |
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Define f(x+y) = f(x) + f(y) - 1 for all real x and y such that f(x) is differentiable for all values of x with f ’(0) = cos A.
Determine whether or not the value of f(1) – cos A is equal to 2.
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| A solution | Larry | 2007-01-19 22:53:11 |
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