The function V(t):= - 3500t+20000, where V is value and t is time in years, can be used to find the value of a large copy machine during the first 5 years of use.a. What is the value of the copier after 2 years and 6 months?After 2 years and 6 months, the copier is worth $b. What is the salvage value of the copier if it is replaced after 5 years?After 5 years, the salvage value of the copier is S.c. State the domain of this function.d. Sketch the graph of this function.e. What is the range of the function? _ < V(t) < _ f. After how many years will the copier be worth only $10,000? Round to 2 decimal places. After _ years, the copier will be worth only $10,000.