Depreciation A construction company purchases a bulldozer for . Each year the value of the bulldozer depreciates by 20% of its value in the preceding year. Let be the value of the bulldozer in the year. (Let be the year the bulldozer is purchased.)
Find a formula for .
In what year will the value of the bulldozer be less than ?
A formula for .
The term of a geometric sequence is given by
where is the first term and is the common ratio of the sequence.
The value of the bulldozer in the next year after depreciation will be of its value in the preceding year
The year when the value of the bulldozer is less than .
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