On a trip of d miles to another city, a truck driver's average speed was x miles
Question:
On a trip of d miles to another city, a truck driver's average speed was x miles per hour. On the return trip, the average speed was y miles per hour. The average speed for the round trip was 50 miles per hour.
(a) Verify that
What is the domain?
(b) Complete the table.
Are the values of y different than you expected? Explain.
(c) Find the limit of y as x approaches 25 from the right and interpret its meaning.
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a verify that y 25x x 25 we can substitute the average speed for the trip and retur...View the full answer
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