A gardener has 120 feet of fencing to fence in a rectangular flower garden.
a) Find a function that models the area of the garden she can fence.
b) Can she fence a garden with an area of 850 square feet?
c) Find the dimensions of the largest area she can fence.

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(a) P=2l+2w
Perimeter=P=120
length=l
width=w
120=2l+2w

oops Area=A
and since 120=2l+2w
60=l+w
so w=60-l
so A=lw=l(60-l)=60l-l^2

there now a is complete

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