XP Math - Forums - View Single Post - optimization problems! pls help me! answer needed ASAP.

lhorilyn · 10-25-2009

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.

10-25-2009	#1
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.