Mathematics, 28.05.2020 14:59, studentstudies9816

Which function models the area of a rectangle with side lengths of 2x – 4 units and x + 1 units? What is the area when x = 3?

A. f(x) = 2x^2 – 4x + 4; A = 10

B. f(x) = 2x^2 + 8x – 4; A = 38

C. f(x) = 2x^2 – 8x + 4; A = 2

D. f(x) = 2x^2 − 2x − 4; A = 8

Answers: 3

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Which function models the area of a rectangle with side lengths of 2x – 4 units and x + 1 units? Wha...