For taxation purposes, a company depreciates its IT equipment using a linear
function. After one year the IT equipment is worth $70,000 and after 5 years it
is valued at $40,000.
(i) Sketch a graph of the relationship between the value (V) of the IT
equipment and the year (t), using the two points given in the question. (You need to determine what will be the dependent variable and independent
variable)