1. Sketch the supply function  and the demand function  on the same diagram
    (a)  Estimate the equilibrium price and quantity graphically
    (b)  Calculate the equilibrium price anf the quantity algebraically
    Teresa Bradle., Essential Mathematics For Economics and Business., John Wiley & Sons., Third Edition., page 184., number 5 solusi Quiz t27 September 2012 no 1

2. A firm’s total cost function is given by the equation TC = 200 + 3 Q, while the demand function is given by the equation P = 107 – 2Q .
(a) Write down the equation for the profit (Profit = TR-TC). Graph the profit function for   0 < Q < 100. From the graph estimate,
(b) Calculate the value of Q at which the profit is zero
(c)  Maximum profit and the output, Q, at which profit is maximum
Teresa Bradle., Essential Mathematics For Economics and Business., John Wiley & Sons., Third Edition., page 184., number 7 solusi Quiz 27 September 2012 no 2