Question 451776
If the boat depreciates at 7% annually, then the boat is worth only 93% of what it was at the beginning of the year.  Thus after 3 years the boat is worth:
$4000x.93x.93x.93=4000x.804357=$3217.428---thus as Mr. Wasilk's advisor I would advise waiting for a higher offer.
Represented graphically, y=4*.93^x:
{{{graph(600,400,-7,7,-7,7,4*.93^x)}}}