Related rates ( someone ans this plz )
A streetlight is 15 feet above the sidewalk. Jonathan, who is 7 foot tall , walks away from the light at the rate of 5 feet per sec.
1. Determine a function relating the length of Jonathan's shadow to his distance from the base of the streetlight.
2. Determine the rate at which Jonathan's shadow is lengthening at the moment that he is 20 feet from the base of the light.

Question

anonymous · Answer

what do you need help with on it

anonymous · Answer

how to solve it...if you are good at related rates..help me :)

anonymous · Answer

http://tutorial.math.lamar.edu/Classes/CalcI/RelatedRates.aspx this site should help you