## anonymous one year ago Will give medals. Michelle buys a motorcycle for $10,000. The motorcycle loses 20% of its value each year. The depreciation of the motorcycle is shown by the graph. After how many years is the value of the motorcycle worth less than$3000? A) 1 year B) 2 years C) 4 years D) 6 years

1. anonymous

2. misty1212

HI!!

3. misty1212

solve $3,000=10,000\times (.8)^t$ for $$t$$

4. misty1212

oh you have a graph

5. misty1212

find the $$x$$ for which the $$y$$ is less than 3,000

6. anonymous

So 6???

7. misty1212

yeah looks good did you know any finite field has order $$p^k$$ where $$p$$ is some prime?

8. anonymous

I did not, thanks :)

9. misty1212

$\color\magenta\heartsuit$