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Post a New Question | Current Questions | Chat With Live Tutors
Homework Help Forum: 11th grade
Posted by BoAFan on Monday, September 21, 2009 at 9:54pm.
I REALLY need help on math because I can't understand what my teacher is saying in class.
Here's the question : Sixteen metres of fencing are available to enclose a rectangular garden.
a) represent the area of the garden as a function of the legnth of one side.
b) graph the function
c) what dimensions provide an area greater than 12 m ^2?
Please help me learn how to do this.
I'd appreciate it! =D
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- Math, not "11th grade" - Writeacher, Monday, September 21, 2009 at 10:00pm
Assistance needed.
Please type your subject in the School Subject box. Any other words are likely to delay responses from a teacher who knows that subject well.
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- 11th grade - Reiny, Monday, September 21, 2009 at 10:11pm
the the width be x
then the width is 8-x
a) Area = x(8-x)
b) graph it
c)
w l Area
1 7 7
2 6 12
3 5 15
4 4 16
5 3 15
6 2 12
7 1 7
mmmmhhh?
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