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optimization problems! pls help me! answer needed ASAP.
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10-25-2009
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lhorilyn
Join Date: Oct 2009
Posts: 1
optimization problems! pls help me! answer needed ASAP.
If the x-intercept of the tangent to the cutve y=e^-x is increasing at a rate of 4 units per second; find the rate of change of the y intercept when the x intercept is 6.
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