A man 1.75 m tall walks at a rate of 2m/s toward a streetlight that is 10m above the ground, at what rate is the length of the shadow changing when he is 6m from the base of the light?(adsbygoogle = window.adsbygoogle || []).push({});

Don't know what to do. => Pythagorean?

#2: A rectangle with base an x axis is inclined under y = 6 - x^2, Find the height of the rectangle whose area is as large as possible.

h = 6, when y' = 0?

A = 6*base, A' = 6?

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# Find the height of the rectangle

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