My Notes Ask The Percent X Of The Original Intensity Of Light Striking The Surface Of A Lake That Is Available X Feet 1 (10.46 KiB) Viewed 47 times
l(x)=100e^-0.92x
MY NOTES ASK The percent (x) of the original intensity of light striking the surface of a lake that is available x feet below the surface of the lake is given by the equation (x)-100e- (a) What percentage of the light, to the nearest tenth of a percent, is available 5 feet below the surface of the lake? % (b) At what depth, to the nearest hundredth of a foot, is the intensity of the light one-half the intensity at the surface? ft
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