Exchange rate (yen per $) 50 60 70 80 90 100 Quantity Supplied in U.S. $’s  (Billions) 10 20 30 40 50 60 Quantity Demanded in U.S. $’s  (Billions) 70 60 50 40 30 20     (a) Graph the demand and supply curves on your scratch paper (be sure to label the vertical and horizontal axes, provide numerical values for each axes, and label the equilibrium price P* and equilibrium quantity Q*).  (b) What is the equilibrium exchange rate yen per dollar (how many yen do you get for a dollar)?  (c) What is the equilibrium exchange rate in dollars per yen (how many dollars do you get for a yen)? (d) Which would you prefer to have, $4,000 dollars or 400,000 yen, if your bank will exchange yen for dollars at the equilibrium exchange rate from part (a). You will need to provide an explanation and show your calculations to support your answer.

Your scratch paper is due now. Take pictures of your work or scan your scratch paper using your printer (this is the best format to use if you have this option on your printer).   Send your scratch paper to fagine@crc.losrios.edu using your Los Rios gmail account (your school account).    

The diagram below is for a perfectly competitive firm.     (a) If the market price is $4 how much output (Q) will the firm produce to maximize profit? (The firm will produces at the profit maximizing level of output). Explain how you chose your Q.   (b) If the market price is $4 and the firm produces at the profit maximizing level of output how much will the firm have in total revenue (TR) ___________.  Provide a calculation and equation to support your answer.   (c) If the market price is $4 and the firm produces at the profit maximizing level of output how much will the firm have in total cost (TC) ___________.  Provide a calculation and equation to support your answer.   (d) If the market price is $4 and the firm produces at the profit maximizing level of output how much will the firm have in total profit ___________.  Provide a calculation and equation to support your answer.  

Solve the problem.An object is traveling around a circle with a radius of 20 meters. If in 10 seconds a central angle of radian (one-fifth radian) is swept out, what is the linear speed of the object?

Give two positive and two negative coterminal angles for the given angle on scratch paper.

How many grams of a 23.4% by mass NaF solution is needed if you want to have 55.9 g of NaF?

Using the electronegativity difference, what type of bond is expected for a compound formed between calcium and bromine?

A solution has a hydrogen ion concentration of 1×10−81 \times 10^{-8} M. What is the pH and is the solution acidic or basic?

What is the total pressure of a container that contains 12.5 atm oxygen gas, 14.5 atm nitrogen gas and 18.5 atm argon gas? 

If the molarity on an NaOH solution is 3.50 M and you have a volume of 225 mL, calculate the grams of the solute.