The length of a rectangle is 7 inches less than twice the width, w, of the rectangle. The quadratic function, A(w) represents the area A, in square inches, of the rectangle for a given value of w. Which function gives the area as a function of the width?
w = width
2w  7 = length {length is 7 less than twice the width} Area of a rectangle = width x length A(w) = w(2w  7) {multiplied width by length} A(w) = 2w²  7w {used distributive property} Ask the House
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