ΟΟΟΟΟ When a company sells 20 lbs of their product, the revenue is $15 and their marginal revenue is $4. Which of the following is the linear approximation for their revenue function near x = 20lbs? (A) (B) @ (E) (A) R(x) = 15+20(x-4) (B) R(x) = 4+15(x - 20) (C) R(x) = 20+15(x-4) (D) R(x) = 20 + 4(x - 15) (E) R(x) = 15 + 4(x - 20)

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