The value of Ry= -x (P) is P' = (4, 6)
<h3>How to determine the transformation?</h3>
The point is given as:
P = (-6, 4)
The transformation Ry= -x (P) means tha:
(x, y) = (y, -x)
So, we have:
P' = (4, 6)
Hence, the value of Ry= -x (P) is P' = (4, 6)
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Answer:
20 ft by 10ft
Step-by-step explanation:
Area of the garden =200 square feet
Let the dimensions of the garden be x and y
Area, xy=200

Since one side is already protected by a barn,
Perimeter of the garden=2x+y



The minimum point of P(y) is the point where its derivative equals zero.




y=20feet
Recall:
xy=200
20x=200
x=10feet
The dimensions of the garden that will require minimum fencing is 20 ft by 10ft