Without drawing the graph of the function y=1.2x−7, see if the graph passes through points (-10, 5)
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So originally, let's say the width of Frank's land was 
feet.
The area of his land was therefore
, or 
, as his land was square.
The width of his land then increased by 3 feet, and the height decreased by 3 feet.
So the new area of Frank's land is:
So the new land is now 9 square feet smaller, so it is not a fair deal for Frank.
Hope this helps :)
The area of his land was therefore
The width of his land then increased by 3 feet, and the height decreased by 3 feet.
So the new area of Frank's land is:
So the new land is now 9 square feet smaller, so it is not a fair deal for Frank.
Hope this helps :)