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sarahlikewoe
Group Title
2. Forrest Lumber uses the function
S(t) = 105t + 840
to determine the salvage value S(t), in dollars, of a table saw t years after its purchase. How long will it take the saw to depreciate completely?
9 years
10 years
8 years
7 years
 one year ago
 one year ago
sarahlikewoe Group Title
2. Forrest Lumber uses the function S(t) = 105t + 840 to determine the salvage value S(t), in dollars, of a table saw t years after its purchase. How long will it take the saw to depreciate completely? 9 years 10 years 8 years 7 years
 one year ago
 one year ago

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JakeV8 Group TitleBest ResponseYou've already chosen the best response.1
When it says "depreciate completely", that means the point where its salvage value, S(t), is equal to 0.
 one year ago

JakeV8 Group TitleBest ResponseYou've already chosen the best response.1
So if S(t) = 0, then 0 = 105t + 840 Then you just need solve for "t"
 one year ago

sarahlikewoe Group TitleBest ResponseYou've already chosen the best response.0
So what is T
 one year ago
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