Sketch the graph of the function.  figure 1.png)
 figure 2.png)
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Calculate the circulation of the field F around the closed curve C.F = xyi + 9j , curve C is r(t) = 5 cos ti + 5 sin tj , 0 ? t ? 2?
A. 0
B. 18
C. 
D. 
Convert the numeral to the requested form.Some systems of enumeration are multiplicative. If you want to represent 30 things, you write the symbol for 3 followed by the symbol for 10. In China and Japan the symbol for src="https://sciemce.com/media/4/ppg__10708191924__f1q346g5.jpg" alt="" style="vertical-align: -4.0px;" /> and the Chinese write 
and the symbol for 
Thus, 30 is symbolized 
If the symbol for 
and the symbol for 
how do the Chinese write 63?
A. 
B. 
C. 
D. 
Solve the problem.Assume that the price per unit d of a certain item to the consumer is given by the equation 
where x is the number of units in demand. The price per unit from the supplier is given by the equation 
where x is the number of units supplied. Find the equilibrium price and the equilibrium quantity.
A. equilibrium price: $35 per unit; equilibrium quantity: 50 units B. equilibrium price: $50 per unit; equilibrium quantity: 30 units C. equilibrium price: $20 per unit; equilibrium quantity: 50 units D. equilibrium price: $30 per unit; equilibrium quantity: 50 units
Identify the equation as a parabola, circle, ellipse, or hyperbola.x2 + y2 = 25
A. Hyperbola B. Parabola C. Circle D. Ellipse