Posted by Sarah on Wednesday, August 24, 2011 at 6:58pm.
A car starts from point P at time t=0 and travels at 45 mph.
A)write an expression d(t) for the distance the car travels from p. (would it just be y=45x??)
B)What is the slope of the graph? what does it have to do with the Car?
D)Create a scenario in which t could have negative values
E)create a scenario in which the yintercept of yd(t) could be 30.

Calculus  bobpursley, Wednesday, August 24, 2011 at 7:17pm
a. correct, but I would do it this way:
d(t)=45mph* t where t is in hours.
b. slope is 45mph

Calculus  Zach, Saturday, August 27, 2011 at 7:38pm
Hey, how come no one has answered parts c through e? I need some help here!!! This is the ONLY site on the internet that has this problem worked.
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