Question

8. Forrest Lumber uses the function
S(t) = -105t + 945

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?
10 years
9 years
7 years
11 years

Answer 1

It 9 Years I Believe But Wait A Minute Let Me Make Sure

Answer 2

okay

Answer 3

Yes Its 9

Answer 4

Thank you (:

Answer 5

NP : )`