Connected rates of change
Connected rates of change
5 marks
TGM Original
A rectangular sheet changes shape while its area stays 48 cm2. Its length grows at 3 cm/s. Find the signed width rate when its length is 12 cm.
Solution:
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Answer:\(\dfrac{\mathrm{d}w}{\mathrm{d}t}=-1\ \mathrm{cm/s}\).
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