Rates of Change (1 Viewer)

Avenger6

Member
Joined
Feb 16, 2008
Messages
66
Gender
Male
HSC
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

Member
Joined
Nov 9, 2007
Messages
861
Location
Sydney
Gender
Male
HSC
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
 

Users Who Are Viewing This Thread (Users: 0, Guests: 1)

Top