Quiz Week 8
Name:
Points possible: 100
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1. The Salt Lake City urban forest now consists of about 90,000 public trees.
The urban forestry
department plans to increase the number of trees by 2500 every four years.
(1.1) (25 points) Write a function
f
(
x
)
this gives the number of public trees after
x
years.
Answer:
(1.2) (15 points) Based on this function, how many trees will there be in ten years?
Answer:
(1.3) (15 points) Based on this function, after how many years will there be 130,000 trees?
Answer:
Riley
N
b
initial
2500
4
227
93
625
trees
Per
year
90,000
625
f
x
625
90000
62560
90000
96250
96250
trees
1
2
44
88
1
625
64
0
64
years
e
