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April 19, 2015

April 19, 2015

Posted by **Anonymous** on Wednesday, August 18, 2010 at 3:59pm.

a) Find A(5).

b) If the height of the sail is x+3 meters, then what is the length of the base of the sail?

- calculus -
**drwls**, Wednesday, August 18, 2010 at 4:06pmThis is not calculus

a) Plug x = 5 into

A = x^2 + 5x + 6 = 25 + 25 + 6 = __

b) A(x) = (x+2)(x+3)

= (1/2)(base length)(height)

= (1/2)(base length)(x+3)

Base length = 2*A/(x+2)

Use the result of (a) for the area, A.

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