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How do you use the limit definition of the derivative to find the derivative of $f(x)=-4$ ?

1 Answer

Sep 1, 2016

see below

Explanation:

$f'(x) equiv lim_(h to 0) (f(x+h) - f(x))/(h)$

In this case:
$f'(x) = lim_(h to 0) (- 4 - (- 4))/(h)$

$= lim_(h to 0) (0)/(h) = 0$

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