All Edges of a Cube Are Expanding at a Rate

question 60

Multiple Choice

All edges of a cube are expanding at a rate of 6 centimeters per second. How fast is the volume changing when each edge is 5 centimeters?

• A)150 cm³/sec
• B)450 cm³/sec
• C)300 cm³/sec
• D)540 cm³/sec
• E)180 cm³/sec

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