All edges of a cube are expanding at a rate of 9 centimeters per second. How fast is the volume changing when each edge is 7 centimeters?
?
A. 1,701 cm3/sec
B. 882 cm3/sec
C. 441 cm3/sec
D. 1,323 cm3/sec
E. 567 cm3/sec
Answer: D
Mathematics
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