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Use the formula V=l^3 for the volume of a cube of sides l to find the average rate at which the volume of a cube changes with l as l increase from l = 2 to l = 4
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Use the formula V=l^3 for the volume of a cube of sides l to find the average rate at which the volume of a cube changes with l as l increase from l = 2 to l = 4

User Sebastian Krysmanski
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With I=2, V1= 2³ ===>V1=8

With I=4, V2 = 4³ ===>V2=64


The rate of change = (64-8)/8 = 7
User Umesh AHIR
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