Mathematics · Rate of Change
The radius of a spherical balloon increases at the rate of 2 cm per second. What would be the rate of increase of its surface area when the radius reaches 30 cm?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1480π cm2/s✓
- 2280π cm2/s
- 3340π cm2/s
- 4240π cm2/s
Correct answer
480π cm2/s
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