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posted by Matt Saturday, January 29, 2011 at 1:12pm.

suppose that f(x) is a function of f(125)=52 and f'(125)=4. estimate f(123.5)

f(x+dx) = f(x) + f'(x) dx f(125) = 52 f'(125) = 4 f(125-1.5)= 52 + 4(-1.5)

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