Solve graphically. 4x + y = -18 5x + 5y = -15
A. (-4, -2)
B. (-5, -6)
C. (5, 2)
D. (-5, 2)
Answer: D
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Give an appropriate answer.Given the function f(x, y) and the positive number ? as in the formal definition of a limit, find a positive number ? as in the definition that insures 
< ?.f(x, y) = 
; ? = 0.06
What will be an ideal response?
Perform the operation and give the answer in the same numeration system. Write the answer as simply as possible.Add 
and 
A. 
B. 
C. 
D. 
Use a double integral to find the volume of the solid shown in the figure.
?
?
A. 6 B. 4 C. 9 D. 14
Solve the problem.Prices in an economy with a 12% annual inflation rate can be modeled by P = pert, where r is the inflation rate, t is the time in years, and p is the current price. How long will it take for prices in the economy to double at a 12% annual inflation rate?
A. 23.45 years B. 6.78 years C. 9.16 years D. 5.78 years