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December 1, 2015
Posted by **xX_Supawoman_Xx** on Friday, December 14, 2007 at 8:39pm.

- Maths -
**Reiny**, Friday, December 14, 2007 at 9:21pmAssuming that k is a constant, or else your answer is incorrect,

what is the derivative of -kt with respect to t?

Isn't it -k??

so....