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 y-intercept of y-d(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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