SOLUTION: I want to thank you for any help you may provide I am having a hard time figuring this out the linear functions in these questions these qustions are not from a text book. It is a

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Question 55387: I want to thank you for any help you may provide I am having a hard time figuring this out the linear functions in these questions these qustions are not from a text book. It is approximately 480 miles from Los Angeles, California, to San Francisco, California. Allowing for various traffic conditions, a driver can average approximately 60 miles per hour.
a) How far have you traveled after 3 hours?
Answer:180 miles
Show work in this space.
3x60=180

b) How far have you traveled after 4 hours?
Answer: 240
Show work in this space.
4x60=240

c) How far have you traveled after t hours (i.e., write a linear function that expresses the distance traveled, d, as a function of time, t).
Answer:



d) How far will you HAVE LEFT to travel to reach San Francisco after you have traveled 3 hours?
Answer: 300 miles
Show work in this space.
480-180=300



e) How far will you HAVE LEFT to travel to reach San Francisco after you have traveled 4 hours?
Answer: 240
Show work in this space.
480-240=240


f) How far will you HAVE LEFT to travel to reach San Francisco after you have traveled t hours (i.e., write a linear function that expresses the distance to be traveled to reach San Francisco, s, as a function of time, t).
Answer:

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
It is approximately 480 miles from Los Angeles, California, to San Francisco, California. Allowing for various traffic conditions, a driver can average approximately 60 miles per hour.
a) How far have you traveled after 3 hours?
Answer:180 miles
Show work in this space.
3x60=180
b) How far have you traveled after 4 hours?
Answer: 240
Show work in this space.
4x60=240
c) How far have you traveled after t hours (i.e., write a linear function that expresses the distance traveled, d, as a function of time, t).
Answer:
d=60t miles

d) How far will you HAVE LEFT to travel to reach San Francisco after you have traveled 3 hours?
Answer: 300 miles
Show work in this space.
480-180=300


e) How far will you HAVE LEFT to travel to reach San Francisco after you have traveled 4 hours?
Answer: 240
Show work in this space.
480-240=240

f) How far will you HAVE LEFT to travel to reach San Francisco after you have traveled t hours (i.e., write a linear function that expresses the distance to be traveled to reach San Francisco, s, as a function of time, t).
Answer:
distance left = 480-60t
----------
Cheers,
Stan H.

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