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March 4, 2015

March 4, 2015

Posted by **Anonymous** on Tuesday, October 30, 2007 at 1:47pm.

write an equation that expresses the relationship between the functions f*(x) and f`

I know that f` is [f(x+h)-f(x)]/h but i have no clue how to write an equation to relate the two!!!

- calculus -
**Count Iblis**, Tuesday, October 30, 2007 at 3:25pmf(x+h)-f(x-h) =

f(x+h) - f(x) + f(x) - f(x-h)

lim as h -> 0 [f(x+h)-f(x-h)]/ h =

lim as h -> 0 [f(x+h)-f(x)]/ h +

lim as h -> 0 [f(x)-f(x-h)]/ h

lim as h -> 0 [f(x)-f(x-h)]/ h

also equals the derivative of f if the functon is differentiable.

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