Sketch the surface z = f(x,y).f(x, y) = 4x2 + 4y2 + 2
A. 
B. 
C. 
D. 
Answer: A
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Decide if the number is rational or irrational.
A. Rational B. Irrational
Use a calculator to find the approximate value of the composition. Round your answer to four decimal places. The expression may be undefined.cos (cos-1 (-0.9372))
A. -0.4686 B. 0.9372 C. 0.4686 D. -0.9372
Solve the problem.The earth, Jupiter, Saturn, and Neptune all revolve around the sun. The earth takes 1 year, Jupiter approximately 12 years, Saturn approximately 30 years, and Neptune approximately 165 years to make a complete revolution. How often will Jupiter, Saturn, and Neptune appear in the same direction in the night sky as seen from earth?[Hint: Find the LCM of 12, 30, and 165]
A. Every 330 years B. Every 1980 years C. Every 3300 years D. Every 660 years
Find the slope of the line going through the given pair of points.(3.7, 4.2) and (3.2, 2.7)
A. 
B. - 
C. 3
D. -3