Vaughan Luna
02/16/2024 · Primary School
All edges of a cube are expanding at a rate of 6 centimeters per second. (a) How fast is the surface area changing when each edge is 5 centimeters? \( \mathrm{cm}^{2} / \mathrm{sec} \) (b) How fast is the surface area changing when each edge is 14 centimeters? \( \mathrm{cm}^{2} / \mathrm{sec} \)
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(a) The surface area is changing at a rate of 360 cm²/s when each edge is 5 cm.
(b) The surface area is changing at a rate of 1008 cm²/s when each edge is 14 cm.
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