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Gennadij [26K]
4 years ago
7

PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!!11

Mathematics
1 answer:
kodGreya [7K]4 years ago
6 0
The first thing to do in this case is to replace the value of x = 60 in the given function to obtain the average fuel mileage in miles per gallon.
 We then have to replace:
 y = -0.0088 * x ^ 2 + 0.79 * x + 15
 y = -0.0088 * (60) ^ 2 + 0.79 * (60) + 15
 y = 30.7 mi / gal
 answer
 the best approximate for the average gas mileage at a speed of 60 miles per hour is
 B) 30.7 mi / gal
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