SOLUTION: A construction crane sells for $650000 if purchased new. After that, the value decreases by 40% each year. If we let a_0 represent the value when it was purchased, then a_1 is th

Algebra ->  Sequences-and-series -> SOLUTION: A construction crane sells for $650000 if purchased new. After that, the value decreases by 40% each year. If we let a_0 represent the value when it was purchased, then a_1 is th      Log On


   



Question 1086525: A construction crane sells for $650000 if purchased new. After that, the value decreases by 40% each year. If we let a_0 represent the value when it was purchased, then a_1 is the value after 1 year, a_2 is the value after 2 years, etc.
a) Write the first five terms of the sequence.
b) What is the common ratio?
c) Write the sequence from part (a) using a recursive formula (starting at n = 0).

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
a) a%5B0%5D=650000
a%5B1%5D=650000%280.6%29=390000
a%5B2%5D=390000%280.6%29=234000
a%5B3%5D=234000%280.6%29=140400
a%5B4%5D=140400%280.6%29=84240
.
.
.
b) r=0.6
.
.
.
c) a%5Bn%2B1%5D=a%5Bn%5D%2A%280.6%29