y= 6x -x3 and x increases at the rate of 5 units per sec the rate of change of slope when x =3 is
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Step-by-step explanation:
- Y=6x-3x
- if x = 3
- value of y=6x-3x
- y=6×3-3×3
- y=18-9
- y=9
Now it is said that increases 5 units per second
=9seconds×5
=45
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