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Iteru [2.4K]
3 years ago
5

Vishal notices that his sports car is decreasing in value over time. He paid $40,800 for the car, and after 6 years, he sees tha

t it is worth $29,400
Find a linear function V(t) to model the value of the car as a function of t, where t is time in years.
Mathematics
1 answer:
guapka [62]3 years ago
3 0

(40800 - 29400) \div (0 - 6) =  - 1900which is the slope and the y intercept is 40,800, so the linear function is V(t)=-1,900t+40,800
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Right now, though, we only need to focus on the slope. The slope represents a change in y over a change in x. Our y-values represent <em>total amount saved</em>, and our x-values represent <em>number of weeks</em>. Y over x... so, total amount saved over a certain number of weeks.

The first answer seems to match this the best. Remember that the slope represents how much is saved per week, and our slope is 17.63. So, the first answer (Aidan can expect to save about $17.63 each week) is correct. If you have any more questions or that was confusing at all, let me know! :)

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