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the function M(x) -1/45x^2+2x-20 where 30 65 represents the miles per gallon used by a certain brand of car at a speed of x miles per gallon.
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the function M(x) -1/45x^2+2x-20 where 30 65 represents the miles per gallon used by a certain brand of car at a speed of x miles per gallon.

User Charlie Fish
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The answer would be option B
User VaibsVB
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