The function V t 3500t 19000 where V is value and t is time in years can be used to find the valu 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 c State the domain of this function d Sketch the graph of this function t