dee1973 dee1973

16-08-2016
Mathematics

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Write a quadratic function f (X) for the area of a rectangle with the length of X+5 and a width of 3x-7

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nobillionaireNobley nobillionaireNobley

21-08-2016

Area = length x width
f(x) = (x + 5)(3x - 7)
f(x) = 3x^2 + 8x - 35

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