Part B: Inquiry (20 marks) 1. An office chair manufacturer models its weekly production since 2001 by the function N(t) = 100 + 25t, where t is the time, in years, since 2001, and N is the number of chairs. The size of the manufacturer's workforce can be modeled by the function W(N) = 3VN. a) Write the size of the workforce as a function of time. (5 marks) b) State the domain and range of the function in part a) that is relevant to this problem. (5 marks) c) Sketch the graph (5 marks) 10 -10 PAGE 4