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Area changes on a square relationship to radius
SO ITS NOT CONSTANT BECAUSE IF THE RADIUS CHANGES SO WILL THE AREA... ? RIGHT
thats not what the question is trying to ask you
the rate dr/dt is constant so the radius is increasing constantly at a constant rate
so if the radius is increasing at a constant rate will the AREA increase at a constant rate? or will it increase more rapidly or more slow? stuff like that
SO THEN THE AREA IS NOT CONSTANT?
its not a question about is the area constant
but is the RATE of change of area constant or not
SO THEN THE RATE OF CHANGE OF THE AREA IS NOT INCREASING/DECREASING AT A CONSTANT RATE?
do you know why?
UMM KINDA BUT I DONT KNOW HOW TO EXPLAIN..
thats okay as long as YOU understand
say you have a circle with radius 1 and 2
the change of radius is 1
but the area changed by a 4 times what it was
the radius changed 2 times what it was and the area changed 4 times what it was
you can think of this pattern continuing as you expand the circle
so suppose i am expanding this circle at a constant rate meaning the changed in radius per time is constant
the area however will not be changing at the same rate as the radius
thats what the question is trying to ask you
for example Radius---- Area 1 pi 2 4pi 3 9pi 4 16pi 5 25 pi
lets say the radius is increasing at a rate of 1every second
if graph that
O OK I GET U :) SO dA/dt ISNT CONSTANT :)
OO OK LOL :) THANK U VERY MUCH SIR:)
SURE YOU're WELCOME
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