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March 28, 2015

March 28, 2015

Posted by **steph** on Thursday, November 10, 2011 at 7:57pm.

a)Draw the illustration of the problem

b) express the length of the remaining side to be fenced in terms of x.

c)what are the restrictions of x?

d)determine the values of x that will give an area between 30,000 and 40,000 feet squared.

e)what dimensions will give a maximum area, and what will this area be?

f)determine a function A that represents the area of the parking lot in terms of x?

- pre- calc -
**Steve**, Thursday, November 10, 2011 at 11:56pmJust take it step by step.

total fence: 640

two parallel sides: 2x

b) remaining side: 640-2x

c) obviously 640-2x>0 ==> x < 320

d) 30000 < x(640-2x) < 40000

56 < x < 85 approx

e) max area approx 51000 at x=160

f) a = x(640-2x)

- pre- calc -
**steph**, Friday, November 11, 2011 at 12:18amthanks! i have one more that i posted about the path of a frogs leap. I can't figure it out

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