The function that will give the area, f(x), of the quilt in square feet is
Area = f(x) = 10x²+31 + 15
Generally, the equation for Area of Rectangle is mathematically given as
A = Length *Width
Therefore
A= (5x+3)(2x+5) square feet.
inconclusion, Area
f(x)= (5x+3)(2x+5)
f(x)=10x+25+ 6+15
(fx) 10x^2 +31x+15
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