If the farmer has 152 feet of fencing, what are the dimensions of the region with the largest area?

square of  each side=38 ft

Step-by-step explanation:

square has the largest area.

each side=152/4=38ft

alternatively

let x and y be the sides

2x+2y=152

x+y=76

y=76-x

area A=xy=x(76-x)=76x-x²

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guess at question:

a vertical line intersects the graph of g(x,y) = 0 at two points. what conclusion follows about the function f(x) implicitly defined by g(x,f(x)) = 0?

the domain of f(x) cannot include the x coordinate of any such vertical line.

informally, f(x) is not a function, and

g(x,y)=0 cannot be solved for y uniquely.

the relation r = {(x,y) such that g(x,y) = 0} is a function if

for all (a,b) ∊ r and (c,d) ∊ r, a=c implies b=d.

step-by-step explanation: