question archive The average mileage per gallon for cars built since 1940 approximates to the following curve 0
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The average mileage per gallon for cars built since 1940 approximates to the following curve 0.0075*t2-.2672*t+14.8 where t is the year -1940. What is the expected MPG in 2025? How about 2050? Is this a valid function? Is there a top end to MPG?
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