A vertical cylindrical storage tank with an inlet and an outlet and a fixed cross-sectional area A and height z is used as a mixer. The flow rate of the inlet fluid is F and its concentration is xo. As a result of mixing with pure water, the concentration of tank fluid takes on the value x, which changes over time. Assuming the output flow rate equal to the input flow rate, obtain the transfer function G(s) = x(s)/F(s). Draw a schematic representation of the system. Assumption: In the system, accept both F and x as variables