OliviaParis9434 OliviaParis9434
  • 01-09-2017
  • Mathematics
contestada

What is the rate of change of the area of a circle with respect to the radius when the radius is r equals 4 in.r=4 in.​?

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222916 222916
  • 03-09-2017
S=pi*r^2
dS/dr=2*pi*r=2*pi*4 in. = 8*pi in.
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