Mathematics · Application of Derivatives
Given a curve y = 7x - x3 and x increases at the rate of 2 units per second. The rate at which the slope of the curve is changing when x = 5 is:
- 1-140 units/sec✓
- 2-70 units/sec
- 360 units/sec
- 4-60 units/sec
Correct answer
-140 units/sec
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