A seed company planted a floral mosaic of a national flag. The perimeter of the flag is 2480ft Determine the flag's width and length if the length is 280ft greater than the width.

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hello,

as we don't know if g(x) is continue,

answer b

f(x)=2x²-8x+1=2(x²-4x+4)+1-8=2(x-2)²-7

vertex is (2,-7) ( a minimum since coefficient of x² is > 0)