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Rates of Change (1 Viewer)

Avenger6

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Feb 16, 2008
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2008
Hi, i'm struggling with finding the derivative for this question and hence finding the equation for the rate of change, any help is greatly appreciated :D.
 

vds700

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2008
Avenger6 said:
Hi, i'm struggling with finding the derivative for this question and hence finding the equation for the rate of change, any help is greatly appreciated :D.
P = 100/v = 100v-1
dP/dv = -100v-2
= -100/v2
when v = 20, dP/dv = -100/(20)2
=-100/400
=-1/4
 

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